With EVA compartment, the material is elastic and not easy to wear, and the matte design prevents the hard disk from accidentally slipping. It can store 10 pieces 3.5 inch hard drive. Elliptical arc polishing handle, can not scratch your hands., Inner core box lock, wear-resistant lock, fit between the gaps. Specification: - Material:6 panels are made of composite wood material + silver aluminum foil. The internal slot is made of EVA material, and the top and bottom are foam. dimensions: 320* 180 * 170mm (L * W * H)/12.6*7.08*6.7 Inch(L * W * H) Package Includes: 1 Piece HDD Storage Box 2 Pieces Keys Weight: 2.64 lb . Color:silver