1. Noise isolation, soft and comfortable, no ear swelling after long time wearing 2. Silicone material has good water repellency, can be washed repeatedly, drying can be used again, to maintain the softness and comfort 3. Silicone smooth, healthy material, no odor, easy to clean 4. Soft, no pressure, suitable for long time wearing, easy to insert into the ear, and return to its original state after removing it 5. Material: silicone 6. Quantity: small + medium + large, a pair each 7. Weight: about 3.8g
