Silicone material that does not damage the lens interface. Tight fit ensures secure attachment and prevents accidental detachment. Protects the interface between the lens module and action camera to prevent oxidation. Provides effective protection for the Insta360 AR lens interface against water, dust, and debris. Prevents conductive particles from entering the interface and damaging the Insta360 AR lens module. Soft, skin-friendly texture helps protect your camera from scratches and paint wear. Made of soft silicone for easy installation and removal. Water-resistant and impact-resistant. Smooth, comfortable exterior with a premium tactile feel. Wear-resistant and drop-resistant for reliable camera protection. Compatible with: Insta360 ONE R camera. Specifications: Material: Silicone Size: 3.8 x 3.9 cm (1.5 x 1.54 in) Color: Black Compatible models: Insta360 ONE R 4K Notes: No retail packaging included. 1 cm = 10 mm = 0.39 inch. Allow for a 0–1 cm measurement tolerance due to manual measurement. Screen color variations may occur depending on monitor settings. Package includes: 1 x silicone lens cap Note: Camera is not included.