Material:SiliconeSize:Approx 1.8cm*1.9cm Brand new & high quality. Non-slip, comfortable .Easy to use.Keep glasses and sunglasses in place during use.Easy to use. perfect for sports, dance & activities.High quality silicone anti-slip holder for the eyeglasses, ear hook, temple tip holderSuper soft and light, comfortable and safe.Package Includes:1 Pairs Ear GripNote:1.Please allow 1-2mm differences due to manual measurement, thanks.2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.