Features: Optical glass with precise grinding and polishing for high-definition imaging. Multi-layer coating technology provides waterproof, oil-resistant, stain-resistant, and scratch-resistant performance. Buckle design securely attaches to the lens, preventing accidental detachment during use. Compact size and lightweight for easy portability. Simple to install and remove. Specifications: Material: Plastic (frame) + optical glass. Type: Refer to picture for selection. Size: Approximately 2.7 x 2.7 x 0.2 cm (1.06 x 1.06 x 0.07 in). Compatible Model: For Avata 2. Package Includes: 1 x Lens Filter. Note: Allow 1-2 cm variation due to manual measurement. Slight color differences may occur due to display resolution variations.