$10.4 Backpack 4 Low-poly 3D model by radju988. Available on CGTrader with 22070 polys and 21834 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 231 MB), MA (Autodesk Maya, filesize: 231 MB), FBX (Autodesk FBX, filesize: 231 MB), ZTL (Zbrush, filesize: 231 MB), TBSCENE (Marmoset Toolbag, filesize: 231 MB), TEXTURES (Textures, filesize: 231 MB)