Tactical Backpack Low-poly 3D model is available on CGTrader for $10.34. Original author: radju988. Specs: 10870 polys, 11078 verts.
OBJ (OBJ, filesize: 69.4 MB), MA (Autodesk Maya, filesize: 69.4 MB), FBX (Autodesk FBX, filesize: 69.4 MB), TEXTURES (Textures, filesize: 69.4 MB), TBSCENE (Marmoset Toolbag, filesize: 69.4 MB)