Sleeping And Swimming Waterproof Three-layer Silent Silicone Soundproof And Noise-reducing Earplug

Product information:

Material: silicone
Noise reduction rate: 40%
Function: sound insulation, noise reduction, waterproof
Scope of use; Sleep, rest, work, exercise
Special service: noise filter device, powerful noise reduction
Connector: None
Usage: straight in
Efficacy: sound insulation, noise reduction, waterproof

Note: The page size is L large

Packing list:

Earplugs * a pair