Check out bag military Low-poly 3D model on CGTrader for $5. High-quality mesh by linkinpark-bell: 4100 polys, 2150 vertices. PBR, Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 700 KB), OBJ (OBJ, filesize: 179 KB), FBX (Autodesk FBX, filesize: 522 KB), SPP (Substance Painter, filesize: 61.3 MB)