Features: Specially Designed for OSMO Action 3 Camera; It provides for protection from bumps, scratches, and the fingerprints; High Transparency clear, picture are not distorted. 2.5D Round Edge; Strong-hardness prevent keys and other outside objects Scratched. Specifications: Material:Tempered Glass Small Square Protector Size:Approx.1.4in Big Square Protector Size:Approx.2.25in Round Protector Diameter:Approx.3.25cm/1.28in 2.5D Round Edge; Suitable for OSMO Action 3 Camera; Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: Package A;(A/B Optional) 1x Small Square Protector 1x Big Square Protector 1x Round Protector Package B: 2x Small Square Protector 2x Big Square Protector 2x Round Protector