silicone earplug sleep noise ear plug canceling noise reduction soundproof anti soft

Three-layer noise reduction design, multiple combinations, and safe sleep
The first layer: silicone noise reduction and sound absorption ring, sound absorption filtering, reducing 75% of the noise;
The second layer: silicone material seals the ear, physically sealing the ear canal, isolating noise;
The third layer: silicone sealed acoustic ear cap, sealed ear cap, skin friendly and comfortable to wear without feeling;

Size/Dimensions:
The outer box is 55mm long, 20mm wide, and 40mm high
Earplugs are 23mm long, 16mm wide, and 21mm high

Weight : 3.7g for a pair of earplugs plus 13g for a box
Package includes : a pair of boxed noise reduction earplugs