Each collar handmade collar is fully adjustable using a snap buckle fastening, secured D ring, & comes in a range of 4 sizes. Our collars, have a small charm adding to our handmade personal touch, they also make a great accompaniment to any of our matching leads. Sizes Extra Small - 21cm - 25cm Small - 25cm - 40cm Medium - 32cm - 50cm Large - 38cm - 63cm Extra Small & Small are 20mm wide, Medium & Large Collars are slightly wider 25mm & are made using Polypropylene webbing ensuring they are hardwearing & durable. Why not complete the look? There are matching items for this collar. Tropical Leaf Hibiscus Flower Adjustable Dog Collar