Condition: 100% Brand New Item Type: Silicone Earplugs Material: Silicone Optional Size: S, M, L S Diameter: Approx. 1cm / 0.39in M Diameter: Approx. 1.2cm / 0.47in L Diameter: Approx. 1.3cm / 0.51in Scope of Application: It can be used in BTE hearing aid, pocket hearing aid Package List 50 x Silicone Earplugs 1Waterproof and can be cleaned and reused, can be used for hearing aids. 2Fit to your ears, the sound won't leakage, and you won't hear a terrible scream. 3Reusable earplugs are made of soft silicone and have an ultracomfortable shape for your ears, can be worn for a long time. 4Easy to carry, suitable for travel or short trips, convenient and reliable. 5Including 50pcs earplugs of the package, meeting your different demands.