1. Material: silicone
2. Usage: sleeping aid, noise reduction, waterproof
3. Efficient noise reduction and sound insulation, reduce noise and enjoy life
4. Noise shielding, acoustic filtration, reduce noise to 25dB-30dB
5. Swimming can be worn, can prevent the ear canal into the water, ear protection
6. Soft silicone material, ergonomic design, fit the ear canal, comfortable to wear, firm and does not fall off
7. Weight: about 8.9g
8. Size: earplug handle about 14 x 18 x 11mm, small ear cap about 10 x 11mm, large ear cap about 10 x 13mm
9. Packing list: 1 pair of earplugs, 1 transparent box, 1 pair of ear caps (small), 1 pair of ear caps (large)