These are antique acrylic buttons with a "frosted glass" appearance. 23mm, 4 pieces. The color is like transparent lemon quartz. The retail price is probably over 400 yen each. Instant purchase OK. Shank 3mm, 7mm. Although new, there may be some minor scratches. Different sizes of this product are available. Even professionals can't tell the size without placing it on the clothes. Having various sizes is convenient. It will also be useful later on. These are also wonderful for use in accessories.