Made with the finest European leathers, and the most dazzling crystals, this collar will ensure that your cat can strut down the block in style. The crystals are set into elastic to ensure that kitty will be safe, and a tinkly bell is added to ensure that the local wildlife will be safe. All of the sizes are 3/8” wide. The 8” long collar will fit cats with a neck diameter of 18-20.5 (7-8”). The 10” long collar will fit cats with a neck diameter of 23-25.5cm (9-10”) and the 12” long collar will fit cats with a neck diameter of 26.5-30.5cm (10.5-12”).