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You can find new Skins, Cards, Banners, Emblems, and Sprays in Duffel Bags!

— Turtle Rock Studios via 𝕏^[1]

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A sample reward after a successful Mission.

Duffel Bags resemble free loot boxes that can be found within a Mission in Back 4 Blood and were introduced on August 30, 2022 with the second expansion, Children of the Worm. These bags are scattered across all Missions and can be found in both the Campaign and the Trial of the Worm modes.

Duffel Bags are limited to one per Mission. Provided the squad has managed to safely retrieve a Duffel Bag by successfully completing the Mission with one player carrying it, all players present will receive a random reward selected for each individually. A Duffel Bag used to randomly occupy either the Support, Offensive or Utility slot of a Cleaner's inventory. With Patch 1.11, only the Duffel Bag that occupies the Utility slot will be available for players to be picked up.

70 new rewards were added to the Duffel Bags with the release of Patch 1.12 on October 11, 2022.
Furthermore, AI-controlled Cleaners are now able to pick up Duffel Bags when a player pinged the bag. Prior to Patch 1.13, Duffel Bags were limited to Act 5. With Patch 1.13, 111 new rewards exclusive to Duffel Bags have been added to the game.

Icon Large	Icon Small	Occupied Slot
		Offensive
		Support
		Utility

Rewards[]

Various rewards are locked behind this new mechanic.
The rewards are randomly chosen. At present, as of Patch 1.13, a total of 194 rewards can be unlocked exclusively via the Duffel Bags.

With Patch 1.11, most rewards have been relocated to the Roving Merchant Supply Lines to relieve the frustration caused by the loot box mechanic of the Duffel Bags. Before Patch 1.11 the Duffel Bags used to contain up to 96 rewards plus cosmetic items from the Tunnels of Terror expansion and the time-limited 34th Street Supply Line.

For the time being, There are twelve Cards, seven Emblems, five Item Set parts, two Outfits, ten Sprays, and 47 Weapon skins within the current loot table. Once players have obtained all of these 194 rewards they will earn Burn Cards instead.

After the release of Patch 1.12, players began to report that rewards from the Tunnels of Terror expansion found their way back into the Duffel Bag system. As this is not being officially mentioned in the Patch Notes and might be a bug, these rewards are omitted from the list. In addition, Burn Cards are also not listed as the article only features rewards that can only be obtained by collecting Duffel Bags.

Cards[]

The following Cards can be unlocked at random via Duffel Bags:

Card Name	Description	Type	Affinity
AI Assistant Module	5% Item Reuse chance that increases by 10% after every item used. Resets on Reuse. Gadget Cost: 20 REPLACES: Quick Slot, FRAGILE	Ability	Fortune
Belligerent	Gain a stacking 4% increase to Damage each time a Horde is called up to 6 stacks. (30 second cooldown between Hordes.) Stacks are reset when a Cleaner is incapped or killed.	Talent	Fortune
Cleansing Fire	Gain a stacking + 5% Damage Resistance every second you're on fire, for a maximum 5 stacks lasting for 15 seconds. Fire removes most negative status effects. + 40% Fire Resistance	Utility	Brawn
Crippling Frequency	Reduce incoming Damage by 1 for nearby teammates for 7 seconds. Gadget Cost: 30 REPLACES: Offensive Slot	Ability	Discipline
Drone Spotter	Begin marking nearby Mutations every 7 seconds. Gain 20% chance to negate damage while active. Gadget Cost: 20 REPLACES: Quick Slot, FRAGILE	Utility	Brawn
Empowered Assault	After you kill a Mutation, the next time you damage a Mutation is guaranteed to cause them to Stumble. TEAM EFFECTS + 5% Team Stumble Damage	Offense	Brawn
Ether Bomb	Emit a gas that attracts Ridden to you for 7 seconds, but also slow your movement speed by 50%. Gadget Cost: 50 REPLACES: Support Slot	Offense	Brawn
Experimental Stimulants	Create a cloud that grants 20% Damage and 30% Reload Speed. Gadget Cost: 40 REPLACES: Support Slot	Talent	Reflex
Experimental Stun Gun	Enhance Bash to stun nearby enemies. Refreshes after 10 seconds. Gadget Cost: 30 REPLACES: Quick Slot, FRAGILE	Utility	Discipline
Expired T5	Create a powerful blast that deals 20 Fire Damage to Weakspots. After the initial blast, continue to deal 1 damage per second for 7 seconds. Gadget Cost: 75 REPLACES: Support Slot	Ability	Discipline
Fill 'Em Full Of Lead	While shooting, gain 1% Damage, 1% fire rate, and 5% swap speed every 0.25 seconds. Max count of buffs is 20.	Talent	Reflex
Food Scavenger	You can sense nearby Food Items. Adds a moderate amount of Food Items to the world. Food Items restore an additional 3 Health.	Talent	Fortune
Hazmat Specialist	+ 35% Acid Resistance Your Bait Jars do direct damage to targets and can hit Weakspots. TEAM EFFECTS Killing Mutations that are covered with Bait has a 75% chance to create another Bait Jar.	Utility	Discipline
Out With A Bang	TEAM EFFECTS When a teammate is incapacitated or dies, they drop an active Pipe Bomb.	Talent	Brawn
Phosphorous Tipped	Continuos gunfire gives an escalating chance to set targets on fire.	Offense	Discipline
Sonic Disruptor	Emit a pulse that deal heavy Stumble damage to nearby enemies and has a chance to knock off armor. Gadget Cost: 75 REPLACES: Offensive Slot	Defense	Discipline
Suppressing Fire	Damaging Ridden with LMGs and Snipers has a 40% chance to slow Ridden near the target by 50% for 5 seconds.	Talent	Reflex
Ugly Chachkies	TEAM EFFECTS Increases the number of Mementos in the world that can be collected for extra Supply Points. This card does not spawn any Mementos in Trial of the Worm	Scavenger	Fortune
Ultrasonic Wound Therapy	Heal 6 Health over 7 seconds to nearby teammates. Gadget Cost: 60 REPLACES: Offensive Slot	Ability	Brawn
Wasteland Chef	Gain the ability to melee food items to create a Gourmet Dinner or a Mediocre Meal. Using the Combat Knife increases your odds of a Gourmet Dinner.	Utility	Discipline