If you would like 200 pieces, you can purchase as is. If you would like to add more, please comment in units of 100. Adding 100 pieces: +150 yen Adding 200 pieces: +350 yen (shipping costs will increase from here) Adding 300 pieces: +500 yen Please refer to the second image for the size. Uses: Reinforcement and repair of holes in cardboard, cloth, vinyl, leather, etc. Will be shipped in simple packaging. Leathercraft Eyelets Brass SK11 Handmade Leatherwork