These are sweat-absorbent sheets to stick inside the collars of shirts and coats. I bought too many. Try them out! 1 piece (10 sheets) ... 300 yen If you'd like to purchase more than one, please comment. They will be sold at the following prices: 2 pieces (20 sheets) ... 400 yen 3 pieces (30 sheets) ... 600 yen *Please take a look at my profile before purchasing or commenting. *Other items for sale → #takamoyoyo