Features: Environmentally friendly silicone material, soft, environmentally friendly and skin-friendly, no peculiar smell, washable, long-term use as new. Full of elasticity, stain-resistant, dirt-resistant, shock-resistant and drop-resistant, it can effectively resist accidental bumps, scratches and drops. Real machine opens the mold, charging without remove the for case, and fits tightly to prevent dust from entering, leaving no gaps and dust. With its own hanging hole, you can carry it with you, you can hang the for case on your for key chain or bag, which is convenient to prevent loss. Ultra-slim thickness 1.8mm, specifically designed, for Buds Air3 wireless earphone. Specifications: Material: Silicone Size: Approx. 75x54x28 mm/2.95x2.12x1.10 inch Colour: Dark Blue, Dark Green, Black, White, Red(optional) Applicable Model: for Buds Air3 Wireless Earbuds Package Includes: 1 Piece Earphone Silicone for Case note: Please allow 0-1cm error due to manual measurement. pls make sure 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. Thank you!