Designed for DSLR, SLR, EVIL, Mirrorless cameras with interchangeable lenses and for video cameras. Foto&Tech photo lens cap keeper holder prevents your lens cap from ever getting lost! Peel-n-stick application. The DSLR lens cap holder with string is easy to use. It has a small button with strong adhesive back that sticks securely onto the front of your lens cap. Sticker button diameter: ~1.5cm/0.59in. Elastic loop stretches to wrap around tightly on the circumference of the lens barrel or attaches to camera’s strap connector points so that your lens cap remains attached. Total length: ~25cm/9.84in. Elastic loop: ~9.5cm/3.74in. The camera lens cap keeper for camera and video camera is compatible with virtually all types of lens caps with or without a loop or hole available, center-pinch and snap-on. Lightweight and durable. The universal camera lens cap holders with string are great camera lens accessories for all photographers.