STOPWATCHES do EARS do sleeping in Case multiple times STOPPERS DO EARS DO SLEEP Key features: An effective way to isolate noise. Large wearing comfort. Universal size. The plugs are marked R-right, L-left The perfect solution to reduce noise. They are reusable hearing protectors. Anti-allergic silicone material is durable and pleasant to the touch. They don't fall out of your ears. 3-degree Eraser ensures a perfect fit do inside each ear. DEGREE OF ATTENUATION 37 db Get yourself a good night's sleep. Sleep is a very important aspect of regeneration. Isolate noises, including street noise and snoring, and ensure a pleasant and restful sleep.Wearing these do earplugs builds an acoustic barrier and helps you achieve peace of mind. Set Contents: Pair of black plugs Plastic case Cloth do disinfection Instruction Technical parameters: Material: silicone, plastic Volume Reduction: 37 dB 3-flange design M1/R10/K588/AE6154 Plug (element do ear x element outer): 3 cm x 3 cm Case: 6.5cm x 3cm x 2cm Packaging: 7 cm x 8 cm x 2,5 cm The product is packed in cardboard packaging.