Soft Earplugs 10 Pairs (20 Pieces) Set - Green Tone Lowest Price This is a bulk purchase discount item for a 5-pair (10 pieces) set. Sound Insulation Value: 35.5-40dB Diameter: 13mm Length: 23mm ★5-pair (10 pieces) sets are 300 yen, 15-pair (30 pieces) sets are 666 yen. Further discounts are available for bulk orders. Please tap on seller K-TURN to select the discounted items above or let us know in the comments. ★We also offer bundle deals 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 your items through "Request Bundle Purchase" or consult us in the comments if you are interested. Comfortable Soft Material Polyurethane Slow Rebound Soundproofing For Studying, Swimming, Sleeping, Construction Sites, Professional Use, Industrial Use If you prefer not to disclose your address, you can change to anonymous shipping for an additional 90 yen. Please let us know in the comments. Thank you. Earplugs Lifestyle Goods Daily Necessities Green 10 Pairs 20 Pieces