Soft Earplugs, Set of 15 Pairs (30 Pieces), Green This is a bulk discount item, a set of 5 pairs (10 pieces). Noise Reduction Rating: 35.5~40dB Diameter: 13mm Length: 23mm ★ 5 pairs (10 pieces) set is 300 yen, 10 pairs (20 pieces) set is 500 yen. If you wish to purchase, please comment or tap the seller "K-TURN" to purchase the product. If you do not want your address to be known, you can change to anonymous shipping for an additional 90 yen, so please let me know in the comments. Thank you. Comfortable soft material Polyurethane Slow rebound Soundproof For studying, swimming, sleeping, construction sites, professional use, industrial use Earplugs Household goods Daily necessities Lowest price Green Green 15 pairs 30 pieces