About this product

VEVOR Ear Plugs for Sleeping Noise Cancelling, NRR 25 dB Reusable High Noise Reduction Earplugs, Flexible Silicone Soft Earplug with 12 Ear Tips in M / L, for Sleeping, Working, Studying & TravelingOutstanding Noise ReductionIdeal FitWashableNo DiscomfortPortable DesignDual PurposeSingle Layer, M Size: 0.74 x 0.56 x 0.69 in / 18.7 x 14.3 x 17.6 mm,Noise Reduction Rating (dB): SNR 29dB / NRR 25dB,Ear Tip Sizes: M + L,Single Layer, L Size: 0.83 x 0.56 x 0.69 in / 21 x 14.3 x 17.6 mm,Double Layer, L Size: 0.80 x 0.59 x 0.77 in / 20.2 x 15 x 19.5 mm,Triple Layer, L Size: 0.78 x 0.56 x 0.87 in / 19.7 x 14.3 x 22.1 mm,Earplug Rings: 4 pcs,Triple Layer, M Size: 0.75 x 0.56 x 0.80 in / 19.1 x 14.3 x 20.4 mm,Item Model Number: EC-3010,Total Ear Tips: 12 pcs (6 Pairs),Double Layer Ear Tips: 2 x M + 2 x L,Earplug Rings Color: Black,Double Layer, M Size: 0.78 x 0.56 x 0.69 in / 19.8 x 14.3 x 17.4 mm,Silent Rings Color: White,Product Dimensions (L x W x H):,Structure: Ear Tips + Noise Reduction Rings + Silent Rings,Single Layer Ear Tips: 2 x M + 2 x L,Ear Tips Color: Black,Silent Rings: 8 pcs,Net Weight: 0.09 lbs / 0.043 kg (including all accessories and packaging),Main Material: Silicone,Triple Layer Ear Tips: 2 x M + 2 x L