Thank you for viewing! This is a crocheted, kid-sized付け襟 (つけえり - detachable collar). The yarn is 55% cotton and 45% polyester for the white, and 100% cotton for the beige. Please see the 4th image for the size. Each item is carefully and meticulously handmade, but due to the nature of handmade items, there may be slight imperfections or irregularities. We appreciate your understanding. Please note that items will be packaged and shipped in a compact manner. A 200 yen discount is available for multiple purchases. How about matching collars for siblings or friends?＾＾ [Reference] YouTube channel: Chasomeido