RAYSUN 2 Packs Universal Camera Center Pinch 55mm Lens Cap with Cap Keeper & Cap Fasten String for Canon Nikon Sony Pentax - Two Fasten Ways 1, 2 Packs 55mm Camera lens for Canon, Nikon, Sony, Pentax and other DSLR cameras; 2, Comes with 2 packs cap keeper and fasten string, 2 optional ways for fasten the cap with your camera; 3, Center pinch design allows easy attach and remove, even with a lens hood in place; 4, Made of high impact hard plastic, matt surface finishing; 5, Package: 2 x 55mm Lens Cap ; 2 x Lens Caps Keeper ; 2 x Fasten String(30cm L).