Feature: 1. 50 pairs bottle, practical and economic to use, and lightweht styling is convenient to carry. 2. , adopt anti-fouling treatment, it is washable, healthful and safe to wear. 3. Premium foams material, soft and comfortable, it has good sound insulation effect. 4. Helps improve sleep and concentration, effectively protect hearing. 5. It is a good helper for you to avoid noise interference, can be used in your home, dormitory, self-study classroom, travel by boat and plane, factory, construction site, downtown, etc. Specification: Condition: 100 Brand New Item Type: Ear Plug Material: Foams Optional Color: Light Green, Orange, Red Quantity: 50 Pairs Function: Noise Reduction SNR: 27dB Package List: 50 Pairs of Ear Plug Note: Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real as standard.WIDE RANGE OF USE: It is a good helper for you to avoid noise interference, can be used in your home, dormitory, self-study classroom, travel by boat and plane, factory, construction site, downtown, etc. SMALL FOAM EAR PLUGS: Premium foams material, soft and comfortable, it has good sound insulation effect. PROTECT YOUR HEARING: With a high noise reduction rating (NRR) of 30 decibels, these noise blocking earplugs are great for sleeping, snoring, heavy noise, traveling, concerts, construction, studying etc. ULTRA COMFORTABLE: , adopt anti-fouling treatment, it is washable, healthful and safe to wearMolded with super low-pressure, skinned and tapered, slow release foam.Comfortable, extra soft and extra light foam that tapers to your ear canal for a custom fit. 50 PAIRS JAR: 50 pairs bottle, practical and economic to use, and lightweht styling is convenient to carry.