GoGo Pet Products GoGo Comfy Nylon 3/4-Inch X 14&rdquo; inch &ndash; 20&rdquo; inch Adjustable Pet Collar, Medium Lifetime Warranty: GoGo Collars, Leashes and Harnesses are backed by a lifetime replacement warranty that covers everything from normal wear and tear to chewing related damage. Adjustable Length: Measures 3/4" wide and adjustable 14" to 20" length. The perfect collar for most medium size dogs Durable and Comfortable: Webbed nylon fabric reinforced with box stitching provides superior durability while remaining soft to the touch for ultimate comfort on your pet. Secure Hardware: GoGo Dog Collars are fitted with some of the highest grade hardware available on the market. From the stainless steel, rust resistant D-ring, to the extra secure YKK quick release buckle.