This is a simple detachable collar. It's a design that can be used by both men and women. It's crocheted with cotton yarn. Each one is handmade. We hope you understand and enjoy your purchase. Inner circumference: Approximately 40cm Outer circumference: Approximately 70cm Strings: Approximately 19cm (including the motif) x 2 If you have any questions, please feel free to comment. ☺ #crochet #handmade