CamDesign Black Universal Lens Cap Anti-losing Holder Clip Buckle Fits all endless variety of lens caps Secure camera strap through buckle loop on underside. To avoid lens cap slipping out of holder clip buckle, be sure to use the lens cap special snap on clipping feature Slip on the strap without having to remove the strap Streamlined round shape of entire upper surface without harsh edges, eliminates risk of scratching Extraordinarily useful and conveniently accessed device