These are sponges for cleaning beer lines in a beer server. If you would like more than 2 sets, please comment. Because they are sets, there will be a discount with a bonus. ↓↓↓↓↓↓ 100 pieces → 1250 yen 210 pieces → 2400 yen 330 pieces → 3500 yen When used for cleaning draft beer lines, they remove dirt from the inside of the hose, making it less likely for the beer quality to deteriorate. Available for immediate purchase. Thank you for viewing. Please read to the end. Please refrain from purchasing if you are concerned, as they have been stored at home by an amateur. The photos are everything. After confirming, please understand that this is a used item sold by an amateur, and we ask for your cooperation with the 3N policy: no claims, no returns, and no cancellations. There is a possibility that they will be shipped in a recycled paper bag or a recycled cardboard box. Shipping will be done via anonymous shipping using either Yu-Yu Mercari or Rakuraku Mercari, depending on the packaging. The packaging may be unsightly, but it is to protect the product. You can purchase immediately. Bulk purchases are welcome. Please feel free to negotiate a discount in the comments.