Description: Perfectly comfortable and firm, this pair of earplugs does not fall out and does not hurt the ears, as it has an ergonomic design and a soft texture. With excellent noise isolation, this pair of earplugs provides complete protection for your ears from noisy environments, allowing you to have a good sleep or work and study environment. It is constructed of silica gel material. The length of this pair of ear plugs is 2.67cm and the width is 2.58cm. It can be used for sleeping, napping, indoors, outdoors, sports and work to reduce noise. Item Name: Ear Plugs Material: Silica Gel Features: Portable, Easy to Clean, Comfortable Wearing Noise Reduction Rate: 40 Percent Size Details: L: 2.67cm/1.05", W: 2.58cm/1.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Ear Plugs