Check out Cardboard Box Low-poly 3D model 4 3D model on CGTrader for $10. High-quality mesh by falloff: 392 polys, 347 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 28.8 KB), FBX (Autodesk FBX, filesize: 60.6 KB), OTHER (Other, filesize: 45.7 MB)