Anti-Noise Sleep Earplugs Silicone Soundproof Earplugs Industrial Noise Cancelling Silent Earplugs

Specification:1. Material: Silicone2. Storage method: dry storage, avoid high temperature3. Color: orange, white, blue, black4. Weight: about 130 gramsFeatures:1. Made of silicone material, soft and comfortable, hypoallergenic2. Can be washed without defor