Sack is a container item in Project Zomboid. Wearing it changes run speed to 0.99. Build 42.21 data, November 2026.
Container Bags & storage
Wearing it changes run speed to 0.99. It holds 15 with 50% weight reduction. It weighs 0.5.
Capacity is how much a container holds. Weight reduction is how much lighter the contents feel while you wear or carry it, so a bag with high weight reduction lets you carry more before you are overloaded.
More: Bags and backpacks.
Use the item ID in sandbox loot settings, admin tools and mods.
| Item ID | Game category |
|---|---|
Base.Bag_DeadMice | Container |
Base.Bag_DeadRats | Container |
Base.Bag_DeadRoaches | Container |
Base.Bag_TreasureBag | Container |
Base.EmptySandbag | Container |
Base.WheatSack | Container |
Base.WheatSeedSack | Container |
7 versions share the name Sack, usually different colours, sizes or states.
Sack is on 7 loot tables in the game files. Share is how much of a table's total weight this item takes, before your sandbox loot settings. Each container rolls its table several times, so a bigger share and more rolls both mean you see it more often.
| Loot table | Where that table is used | Share | Rolls |
|---|---|---|---|
| Crate Coke | Blacksmith (crate); Glassmaking workshop (crate, shelves) | 100% | 8 |
| Barn Tools | Barn (box, crate, shelves) | 22% | 4 |
| Forest Fire Tools | Farm storage (crate, shelves) | 21% | 4 |
| Crate Animal Feed | Barn (box, crate, shelves); Farm storage (crate); Garden Store (crate, shelves); and 1 more place | 12% | 4 |
| Store Kitchen Potatoes | Cafeteria kitchen (cupboard); Restaurant (cupboard); Diner kitchen (cupboard); and 7 more places | 6.1% | 4 |
| Tool Store Misc | Tool storage (box, shelves); Tool Store (box, cupboard, shelves); Tool store storage (box, shelves) | 0.68% | 4 |
| Crate Farming | Barn (box, crate, shelves); Closet (box, crate); Farm storage (crate, shelves); and 5 more places | 0.27% | 4 |
Inside bags and cases: Toolbox.
Town by town: loot locations.
| Recipe | Ingredients (used up) | Tools (kept) | Requirements |
|---|---|---|---|
| Empty Sack (Destroy Contents) In hand | Sack of Dirt or Sack of Gravel or Sack of Sand | None | No skill needed |
| Take Clay from Sack In hand | Sack of Clay | None | No skill needed |
| Sew Sack In hand | Burlap Piece; any thread or any twine | any sewing needle | No skill needed |
Used up as an ingredient in 2 recipes: Cut Head Sack, Rip Sack.
It weighs 0.5 in Build 42.
Base.Bag_DeadMice, Base.Bag_DeadRats, Base.Bag_DeadRoaches, Base.Bag_TreasureBag (variants share the name).
Capacity 15, weight reduction 50%.
Stats and item IDs from the Build 42 game data as listed on pzfans.com. Item art is from Project Zomboid.