Fresh meets Function! The Catit line of collars, leashes, harnesses, harness sets and tie-outs offer a complete range of products in fresh, fashion-forward colours. Catit Buckle Nylon Cat Collar, Black. Size: 9.5mm (3/8") x 20cm-33cm (8-13"), with metal tongue buckle, bell and D-ring for attaching leash and identification tags. Also available in complementary black colour: Art. # 55322 (leash) Art. # 55332, 55342, 55352 (small, medium, large harness) Art. # 55362, 55372, 55382 (small, medium, large harness & leash sets) Art. # 55392, 55396, 55399 (small, medium, large tie-outs) Collar sizing: To find the correct collar size for your cat, measure around your cat's neck then add 5cm/2in (or approx the width of two fingers being able to fit between the cat and the collar).