Made with the finest European leather, with divine crystal stones hung in a chain along the leather, the collar is finished with sparkly silver elastic to allow a little stretch and a tinkly bell. The 8” long collar is designed to fit cats with a neck diameter of 17-19.5cm (6.75-7.75”). The 10” long collar will fit cats with a neck diameter of 21-24.5cm (8.25-9.75”) and the 12” long collar will fit cats with a neck diameter of 25.5-28.5cm (10-11.25”).