37MM Plastic Snap-On Universal Lens Cap for Camera Lenses with 37MM Filter Threads + Lens Cap Keeper + JB Microfiber Cleaning Cloth Package including: 1 x Lens Cap 37mm / 1 x Lens Cap Keeper. The snap-on Lens Cap is High quality. The Lens Cap Keeper is designed for SLR cameras with interchangeable lenses and video cameras. The cloth is made of an extremely densely woven microfiber. 1 x JB Microfiber Cleaning Cloths with your purchase.