Check the listing for details. international standard shooting glasses patches. Color: 2pcs 40x50mm, Condition: New with tags. Listed at 29.56 USD. With INTERNATIONAL STANDARD SIZE ,NOT NARROW, PROFESSIONAL Archery/Shooting Flip up Eye Patch Quality Material: the shooting blinders for glasses are made of quality plastic board, fixed with standard screws and nuts, reliable and non slip, conforming to the ISSF eye patch standards, suitable for professional shooting practice and competitions Blocking the sight, Aim assist Package Includes: you will receive 2 pieces of shooting eye patches for glasses ,Can be clipped on glasses,hats Versatile Functions: the occluder clip on can not only serve as eye patch in shooting, but can also help you aim at the target in archery, slingshot and other target sports, thus improving your performance Sports school equipment,Size: 5.3*5.5cm X 2 pcs