Material:Made of quality durable ABS Installatio:Take off the camera lens and thread into the body cap and lens cap This is a must for all Sony E-Mount NEX! Use this cap to protect the contacts when a lens is not attached. Prevents Foreign Objects From Entering Your Camera and Lens Protect Your Investment Easy Twist On and Off Front Body Cap Rear Lens Cap for Sony Alpha AF lenses. For with Sony A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A550, A560, A580, A700, A850, A900, SLT-A35, A33, A37, A55, A57, A65, A77, Minolta 5D, 7D, 7, 9xi, 7xi, and 5xi This is a must for all Sony Alpha AF lenses! Use this cap to protect the contacts when a lens is not attached. Sturdy plastic protects against bumps and debris to keep your camera in its best condition. This Kit Includes Some Of The Essential Accessories You Need To Take Full Advantage Of Your For Sony Alpha DSLR Camera - Sony A77 II, A77, A99I, A99, A900, A700, A65, A850, A580, A560, A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A550, SLT-A35, A33, A37, A55, A57, A65, A77, Minolta 5D, 7D, 7, 9xi, 7xi etc.Camera Body & A Mount Lens