You can read about setting up applications for displaying in trades here. To display trades of a single application, select it from the list:

Trickster Crate
x1
H1Z1: King of the Kill
Trickster Crate
Type: Standard Crate
Market price: ~0.04 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x3
H1Z1: King of the Kill
Nemesis Crate
Type: Standard Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nomad Crate
x7
H1Z1: King of the Kill
Nomad Crate
Type: Standard Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
H1Z1: King of the Kill Items
H1Z1: King of the Kill
x0
H1Z1: King of the Kill
H1Z1: King of the Kill Items
Lightning AR-15
x1
H1Z1: King of the Kill
Lightning AR-15
Type: Ultra-Rare AR-15 Skin
Teach your opponents to ride the lightning.
Camo Tan Flannel Shirt
x1
H1Z1: King of the Kill
Camo Tan Flannel Shirt
Type: Standard Chest Skin
This will apply an alternate appearance to an item in your inventory.
Green Trucker Cap
x1
H1Z1: King of the Kill
Green Trucker Cap
Type: Standard Hat Skin
This will apply an alternate appearance to an item in your inventory.
Daybreak Logo Tee
x1
H1Z1: King of the Kill
Daybreak Logo Tee
Type: Rare Chest Skin
This will apply an alternate appearance to an item in your inventory.
Tan Leather Outback Hat
x1
H1Z1: King of the Kill
Tan Leather Outback Hat
Type: Common Hat Skin
This will apply an alternate appearance to an item in your inventory.
PW1 Survivor T-Shirt
x1
H1Z1: King of the Kill
PW1 Survivor T-Shirt
Type: Common Chest Skin
I Survived Player Wipe 1!

This will apply an alternate appearance to a chest item in your inventory.
Starred Army Shirt
x1
H1Z1: King of the Kill
Starred Army Shirt
Type: Standard Chest Skin
This will apply an alternate appearance to an item in your inventory.
Yellow Raincoat Parka
x1
H1Z1: King of the Kill
Yellow Raincoat Parka
Type: Uncommon Chest Skin
This will apply an alternate appearance to an item in your inventory. Right click and select "Apply". Valid items for change will be highlighted.

Obtained from: Wasteland Crate
Barbed Wire Wrestling Shoes
x1
H1Z1: King of the Kill
Barbed Wire Wrestling Shoes
Type: Uncommon Fast Footwear Skin
This will apply an alternate appearance to a Fast Footwear item in your inventory.
Obtained from: EZW Crate
Murica Halftop Shirt
x1
H1Z1: King of the Kill
Murica Halftop Shirt
Type: Rare Chest Skin
This will apply an alternate appearance to an item in your inventory. Right click and select "Apply". Valid items for change will be highlighted.

Obtained from: EZW Crate
H1Z1: King of the Kill Items
H1Z1: King of the Kill
x0
H1Z1: King of the Kill
H1Z1: King of the Kill Items
Frankenswine Mask
x1
H1Z1: King of the Kill
Frankenswine Mask
Type: Rare Motorcycle Helmet Skin
This will apply an alternate appearance to a Motorcycle Helmet item in your inventory.
ISCO Military Backpack
x1
H1Z1: King of the Kill
ISCO Military Backpack
Type: Uncommon Military Backpack Skin
This will apply an alternate appearance to a Military Backpack item in your inventory.
/r/H1Z1 Shirt
x1
H1Z1: King of the Kill
/r/H1Z1 Shirt
Type: Common Chest Skin
This will apply an alternate appearance to an item in your inventory.
Manpons T-Shirt
x1
H1Z1: King of the Kill
Manpons T-Shirt
Type: Common Chest Skin
This will apply an alternate appearance to a Chest item in your inventory.
Obtained from: 2016 Invitational Crate
Night Watch Parka
x1
H1Z1: King of the Kill
Night Watch Parka
Type: Common Chest Skin
This will apply an alternate appearance to a Chest item in your inventory.
Anarchy Leather Pants
H1Z1: King of the Kill
x0
Anarchy Leather Pants
Type: Uncommon Legs Skin
Skull Full Face Respirator
x1
H1Z1: King of the Kill
Skull Full Face Respirator
Type: Rare Face Skin
This will apply an alternate appearance to an item in your inventory.
Gray Matter 12GA Pump Shotgun
x1
H1Z1: King of the Kill
Gray Matter 12GA Pump Shotgun
Type: Rare 12GA Pump Shotgun Skin
This will apply an alternate appearance to a 12GA Pump Shotgun item in your inventory.
H1Z1: King of the Kill Items
H1Z1: King of the Kill
x0
H1Z1: King of the Kill
H1Z1: King of the Kill Items
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Standard Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Standard Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Standard Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Trickster Crate
x1
H1Z1: King of the Kill
Trickster Crate
Type: Standard Crate
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
2017 Invitational Crate
x1
H1Z1: King of the Kill
2017 Invitational Crate
Type: Standard Crate
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
2017 Invitational Crate
x1
H1Z1: King of the Kill
2017 Invitational Crate
Type: Standard Crate
Market price: ~0.05 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Tribute Military Backpack
x1
H1Z1: King of the Kill
Tribute Military Backpack
Type: Standard Military Backpack Skin
This will apply an alternate appearance to a Military Backpack item in your inventory.
Obtained from: Preseason 5 (Gold rank or higher)
Sniper Stealth Shoes
x1
H1Z1: King of the Kill
Sniper Stealth Shoes
Type: Common Quiet Footwear Skin
This will apply an alternate appearance to a Quiet Footwear item in your inventory.
Kuromu Dragon Recurve Bow
x1
H1Z1: King of the Kill
Kuromu Dragon Recurve Bow
Type: Common Recurve Bow Skin
This will apply an alternate appearance to a Recurve Bow item in your inventory.
Obtained from: Ronin Crate
Black and Orange Athletic Hoodie
H1Z1: King of the Kill
x0
Black and Orange Athletic Hoodie
Type: Rare Chest Skin
Bronze Crown
x1
H1Z1: King of the Kill
Bronze Crown
Type: Standard Emote
This special emote can be assigned to a specific keypress in the Character>Appearance>Emotes menu.
Silver Crown
x1
H1Z1: King of the Kill
Silver Crown
Type: Standard Emote
This special emote can be assigned to a specific keypress in the Character>Appearance>Emotes menu.
Snow Camo Parka
x1
H1Z1: King of the Kill
Snow Camo Parka
Type: Uncommon Chest Skin
This will apply an alternate appearance to an item in your inventory. Right click and select "Apply". Valid items for change will be highlighted.

Obtained from: Wasteland Crate
Old One Face Bandana
x1
H1Z1: King of the Kill
Old One Face Bandana
Type: Uncommon Face Skin
This will apply an alternate appearance to a Face item in your inventory.
Irezumi Dragon AR-15
H1Z1: King of the Kill
x0
Irezumi Dragon AR-15
Type: Ultra-Rare AR-15 Skin
Blue Shemagh
x1
H1Z1: King of the Kill
Blue Shemagh
Type: Common Face Skin
This will apply an alternate appearance to an item in your inventory.
SeaNanners Hockey Mask
H1Z1: King of the Kill
x0
SeaNanners Hockey Mask
Type: Uncommon Face Skin
inboxes AR-15
x1
H1Z1: King of the Kill
inboxes AR-15
Type: Ultra-Rare AR-15 Skin
Commemorates inboxes' victory in the 2016 H1Z1 Invitational tournament!
Toxic Mask
x1
H1Z1: King of the Kill
Toxic Mask
Type: Rare Face Skin
This will apply an alternate appearance to an item in your inventory.
Neko-chan M1911A1
x1
H1Z1: King of the Kill
Neko-chan M1911A1
Type: Uncommon M1911A1 Skin
This item has been renamed. Original name: "Neko-chan R380"
This will apply an alternate appearance to a M1911A1 pistol in your inventory.
Obtained from: Ronin Crate
2017 Invitational Crate
x1
H1Z1: King of the Kill
2017 Invitational Crate
Type: Standard Crate
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Standard Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
2017 Invitational Crate
x1
H1Z1: King of the Kill
2017 Invitational Crate
Type: Standard Crate
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Standard Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
MiniLadd Jersey
x1
H1Z1: King of the Kill
MiniLadd Jersey
Type: Common Chest Skin
This will apply an alternate appearance to a Chest item in your inventory.
KYRSP33DY Jersey
x1
H1Z1: King of the Kill
KYRSP33DY Jersey
Type: Common Chest Skin
This will apply an alternate appearance to a Chest item in your inventory.
Green Camo Armor
x1
H1Z1: King of the Kill
Green Camo Armor
Type: Common Body Armor Skin
This will apply an alternate appearance to an item in your inventory. Right click and select "Apply". Valid items for change will be highlighted.

Obtained from: Wasteland Crate
Blue and Orange Backpack
H1Z1: King of the Kill
x0
Blue and Orange Backpack
Type: Common Mansport Backpack Skin
Blue Camo Tactical Helmet w/Goggles
H1Z1: King of the Kill
x0
Blue Camo Tactical Helmet w/Goggles
Type: Rare Tactical Helmet Skin
Combat Shotgun
H1Z1: King of the Kill
x0
Combat Shotgun
Type: Ultra-Rare 12GA Pump Shotgun Skin
Graffiti Hunting Rifle
H1Z1: King of the Kill
x0
Graffiti Hunting Rifle
Type: Ultra-Rare .308 Hunting Rifle Skin
Frostbite AR-15
H1Z1: King of the Kill
x0
Frostbite AR-15
Type: Ultra-Rare AR-15 Skin
Avatar
DreamRoad
Nemesis Padded Pants
x1
H1Z1: King of the Kill
Nemesis Padded Pants
Type: Common Legs Skin
This will apply an alternate appearance to a Legs item in your inventory.
Nomad Crate
x1
H1Z1: King of the Kill
Nomad Crate
Type: Common Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nomad Crate
x1
H1Z1: King of the Kill
Nomad Crate
Type: Common Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nomad Crate
x1
H1Z1: King of the Kill
Nomad Crate
Type: Common Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nomad Crate
x1
H1Z1: King of the Kill
Nomad Crate
Type: Common Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nemesis Crate
x1
H1Z1: King of the Kill
Nemesis Crate
Type: Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Nomad Crate
x1
H1Z1: King of the Kill
Nomad Crate
Type: Common Crate
Market price: ~0.03 USD
This crate contains skins for various types of items found in the world.

NOTE: These skins are not consumed, will not be lost on death, and cannot be sold on the Steam Marketplace.
Red Bone Full Helmet
H1Z1: King of the Kill
x0
Red Bone Full Helmet
Type: Rare Motorcycle Helmet Skin