Product Information Material: silicone+sponge Earplugs color: pink, blue,yellow Size: 17*14mm 1.Ergonomic designcomfortable to wear, fit the ear canal without falling off, sleep rolling, no restrictions 2.Various Specifications: You can switch according to the size of your ear canal 3.Slow Rebound Sponge Design: make wearing more comfortable, soft and fit each ear 4.The Earplugs are Composed of Three Parts: noise reduction ring, replaceable earplugs, and sound filter inner ring 5.Layers of Noise Reduction: filter the sound waves, the noise reduction effect is more obvious Package included: 1 Pair Ear Plugs Note Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)