Size: 40 (L) x 17 (W) x 10 (H) mm Material: plastic Protection level: Good mechanical property; Fire protecting performance and Anti-corrosion performance. Protect your inst ents even under the adverse environment. Color: Black/Clear Package Contents: 2 x usb flash drive housing Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.