Soft Earplugs 5 Pairs (10 pieces) Set - Green Lowest Price Sound Insulation Value: 35.5-40dB Diameter: 13mm Length: 23mm ★10 pairs (20 pieces) set is 500 yen, 15 pairs (30 pieces) set is 666 yen. Further discounts are available for bulk orders. Please tap on seller K-TURN to select the discounted items above or leave a comment if interested. ★We also offer sets with other 300 yen items such as smartphone finger cots and conductive fiber touch pens. Two items for 500 yen, three items for 666 yen. Please select items from "Request Bundle Purchase" or consult us via comment if interested. Comfortable Soft Material Polyurethane Slow Rebound Soundproof For studying, swimming, sleeping, construction sites, professional use, industrial use Packaged in bags of 5 pieces as shown in the photo. These are slow-rebound earplugs, so please compress them and insert the tapered end into your ear. They will slowly expand to block your ear canal. If you wish to keep your address private, you can change to anonymous shipping for an additional 90 yen. Please let us know via comment. Thank you. Earplugs Lifestyle Goods Daily Necessities Green 5 Pairs 10 Pieces