With top protection and high visibility, these 1" wide bright Guardian Gear Double-Layer Nylon Dog Collars also make a bold fashion statement. Back-to-back layers of ultra strong nylon Bar-tacked stitching at the corners for added durability Fully adjustable for a comfortable fit while maintaining maximum control for even the biggest dogsAll Guardian Gear Collars are guaranteed for life. Available in Electric Lime, Flamingo Pink, Malibu Blue, and Sparkling Grape in 18", 20", 22", 24", 26", 28" sizes. Matching Double-Layer Brites Leads are also available and sold separately (see item TP648 ). Colors and sizes may be combined for quantity discounts.See the Specifications and Sizing Info tabs for more product details.