For Western and Japanese sewing Two sizes available. Includes 30 pieces total. Use by sewing them to your fingers with thread. Unlike ready-made ones, there's no plastic inside, making them easy to use. Leather finger protectors (listed as 20, but 2 are missing) 6cm x 1.5cm: 18 pieces 12cm x 6cm: 6 pieces Both are leather, but the firmness may differ slightly. Please refrain from purchasing if you are concerned. Stored by a private individual. Will be sent via Yu-packet Mini.