The Micro SD,SD Card,USB-A,USB-C allows you to protect and carry your cards always with you. can get unscrewed in 2 halves and holds up to 3 Micro SD Cards / 5 SD Cards / 2 USB-C / 4 USB-A. *WHAT YOU WILL RECEIVE ~ ZIP file containing * 3mf , fbx , obj , igs , stl , stp , amf. *Dimension * 150 x 50 x 25 mm.