Great Kwik Step design with Kwik Klip buckles, nickel hardware and soft PVC-coated foam rubber padding at the contact points. The harness is designed to make it easy to get your dog into his harness. The flexible design features size chest and abdominal adjustments, so getting the ideal fit is easy! Just place the harness on the floor. Put the dog's front paws in the harness. Pull up the ends and snap them tight. That's all there is to it. Available in solid colors and prints: Black, Blue, Red, and Purple. For proper sizing, measure dog around just behind front legs: XSmall: 1/2" Width Adjusts 13" - 16" Small: 5/8" Width Adjusts 16" - 22" Medium: 3/4" Width Adjusts 22" - 28" Large: 1" Width Adjusts 28" - 36"