GoGo Pet Products Comfy Nylon 3/8-Inch Adjustable Pet Collar, X-Small, Hunter Green 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 3/8" wide and adjustable 8" to 12" length. The perfect collar for the smallest dogs, puppies and other small pets. 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.