Sell 4 level adjustment face mask - 1pcs best price

Product Specification: Product material: soft silicone material Product Features: 1.Prevent masks from sore ears 2. Invisible mask extension strap to prevent lure, adjustable in three gears 3. 4 levels to adjust Why use ear protectors: 1.Long-term wearing a mask can cause ear tightness and slight red pain. 2. Completely solve the ear pain problem and make wearing a mask more comfortable 3. The product has a non-slip groove design, and there are anti-slip points on the inside to prevent it from falling when worn. 4. Three-level elastic design, adjust comfort at will 5, simple operation, compact and easy to carry, you can complete wearing in two steps 6.Suitable for all types of mask ..