PRODUcT cHRAcTERIZATION: High-quality silicone made, soft and comfortable,no damage to the ear,it can be used in all kinds of occasions Different from other traditional glasses material, the silicone can wrap over the glasses legs,freeing you from the pressure of the glass and making you feel comfortable USAgE TIPS: It can help you put on the silicone retainers to your glasses easierVery easy to clean Just use soap and water to wash Leave it to dry naturally, or fasten the process with a hair dryerATTENTION: This product is consumable, so for your conveniencSPEcIFIcATION:Mterial: Soft siliconecolor: black, brownSize: 275 x 027inchesApplicable people: Adults and childPAcKAgE cONTENTS: 12 Pairs silicone sleeve retainers