Material: Silica gelColor: Black & RedNatural and environmentally friendly and non-toxic.Perfect for cleaning digital SLR, SLR, digital camera lens, binocular lens, and telescope lens, filters, musical instruments, computers, keyboards, cellphone, etc.Air inlet valve design prevents air back flow from nozzle.Detachable supper air stream air nozzle.Tripod base design provides free-standing function.The function of this Blower is to gently remove dust & erase smudges from delicate equipment without leaving residue.Excellent way to remove dust off sensitive camera parts without physical contact.Better for the environment than canned air.Size: 170mm (H) x 55mm (W) / 6.69 inch (H) x 2.17 inch (W)Package Including:1* -Shaped Air BlowerOnly the above package content, other products are not included.Note: Light 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.