Foto4easy Lens Cap Anti Lost Cover Keeper Holder String Leash Strap for Sony A6000 A6300 Lens Cap Holder for preventing your lens cap from missing With this lens cap holder, you can carry your lens cap conveniently Adhesive-backed disc to attach to your lens cap Dedicated for Sony A6000 A6300 A5100 NEX-5T 6 5R 3N NEX E 16-50mm f/3.5-5.6 PZ OSS original lens cap. (40.5mm Size of Lens Cap ) The lens cap fix is very easy to use and never loss lens cap again!