Features: Effectively reduces overall volume to block out background noise at a comfortable level while maintaining clarity and clarity of sound. The small 23db earplugs are pretty good volume for a concert or band rehearsal. Made of high-quality silicone material, it provides comfort for long-time use. Designed with an ergonomic curved body, the two flanged tips conform to the shape of your ear canal for a comfortable fit. Includes a durable aluminum case that easily clips on to belts and bags to take it anywhere. Specification: Size: about 17 10MM 0.67 x 0.39inch Net weight: about 1.8G pair Material: Silicone Packing List: Ear Plugs for Concerts 1 pair Aluminum Can 1pcs Note: Due to the lighting effects and filming angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.?WARM TIPS?The earplugs will not block all the noise completely, but they will preserve the quality of the music and make the volume within a safer listening level. So they're not recommended for sleeping, hunting, motorcycling etc. ?PERFECT DESIGN?These earplugs have a superb three-layer cone structure, Perfectly fit for your ear canals, ensure a lasting but comfortable wearing experience.stay in well and comfortable to wear under hats, helmets. Exquisite durable aluminium box for key ring pendant to have your ear plugs always with you. ?23DB NOISE REDUCTION?23db Noise Cancellation: Ear Plugs for Sleeping feature 23db noise canceling, small size 23db earbuds, pretty decent volume for a concert or band rehearsal. ?QUALITY MATERIAL?Music Ear Plugs are made of high-quality silicone material for long-term comfort, with an ergonomic curved body design and two flanged tips that fit the shape of your ear canal for a comfortable fit. ?PRESERVE HIGH FIDELITY AUDIO?Music ear plugs do an effective job of bringing down the overall volume, blocking background noises at a comfortable level while preserving the sound clarity and sharpness. You won't experience any muffling with these plugs as you would foam-based ones and you will be able to hear different sound frequencies and talk to people without having to worry of muffling.