Stargaze Collar Blue webbing base with classic star print running down the centre Collar has D ring to allow attachment of name tags and lead / Adjustable size. Handmade in the UK 1 inch wide Size Guide Small 9-11 inch / 22-28cm Medium 11.5-17 inch / 29-43cm Large 15-19 inch / 38-48cm We strongly recommend you measure your dogs neck before measuring. Use our size guide as an approximate breed guide. Small - A wide statement collar suitable for toy breeds, chihuahuas, toy poodles and yorkies. Medium - Westies, Cocker Spaniels, cockerpoos and similar. Large - French Bulldogs, slim Labradors, Boxers and similar. Extra Large - Labradors, German Shepherds, Huskies and similar.