Coolbe: This product is a medical device which must be used only as intended and in accordance with the instructions for use.
This device is not a substitute for professional medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before use if in doubt. The seller/distributor is not liable for any damages arising from misuse, unauthorized modification, or use beyond stated indications.
-----
Professional noise-blocking earplugs enable you to sleep comfortably, soundly and peacefully, improve sleep and life quality.
Nano silica gel rebound, soft material more close to the ear canal, effectively filter a variety of external noise.
Ergonomically designed, soft and comfortable material is more suitable for human ears, and it will not cause pain if worn for a long time.
Soft silica gel, can be repeatedly cleaned, healthy and hygienic.
The life of earplugs is 1-2 years.        
Please clean them with water or hand sanitizer and dry them in a well-ventilated place.        
Use them after drying.
Material:Silicone
Color:Black,White
Package Included:
1pair x Earplugs
Number of pieces: 10 pc.,24 pc.