Adjustable collars focused on durability and style, featuring woven ribbon sewn onto comfortable and strong nylon webbing with snap clasp and nickel-plated hardware.Adjustable Dog Collars feature strong quick release buckles and solid nickel plated D-rings. Size Chart: XS Collar - Width 1/2", Length 6-12", Dog Weight - Fits 2-5lbs SM Collar - Width 5/8", Length 9-15", Dog Weight - Fits 5-20lbs MD Collar - Width 1", Length 12-18", Dog Weight - Fits 15-40lbs LG Collar - Width 1", Length 15-21", Dog Weight - Fits 30-60lbs XL Collar - Width 1", Length 18-24", Dog Weight - Fits 50-90lbs Make sure that you size your item appropriately, allowing an extra half inch to an inch space so it won't be too snug. If your pet is in between two sizes, choose the larger size. We are happy to take a return on this product (un-used in package with tags attached) within 10 days of purchase, however, the cost of the return shipping label will be deducted from the refund.