One mesh with 4 different materials , every material has own maps. Using 2K textures. Types of barrels: Type 1 : Is a simple barrel , no logo , just metallic with rust and dirt. Type 2: Is a biohazard barrel , yellow , some rust , dirt and biohazard's logo. Type 3: Is a fuel barrel , red , some rust and dirt and NO-FIRE logo. Type 4: Is a OIL barrel , black , with some rust and dirt and OIL Logo (hand-made). You can use them for your game like : FPS , Zombie ... anything , there are a lot of details on them.