Features:1.Ergonomic designcomfortable to wear, fit the ear canal without falling off, sleep rolling, no restrictions2.Various Specifications: 6 sponge replacement + 1 pair of silicone replacement + 1 pair of small orange sleeve replacement, you can switch according to the size of your ear canal3.Slow Rebound Sponge Design: make wearing more comfortable, soft and fit each ear4.The Earplugs are Composed of Three Parts: noise reduction ring, replaceable earplugs, and sound filter inner ring5.Layers of Noise Reduction: filter the sound waves, the noise reduction effect is more obviousNotice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementDescription:Product Material: SiliconeProduct Size: 17*14*4cmincludes:1*Silicone Noise Cancelling Ears