With top protection and high visibility, these Guardian Gear™ 1" wide bright collars also make a bold fashion statement. Back-to-back layers of ultra strong nylon have the stitching bar-tacked at the corners for added durability. The sporty collars are fully adjustable for a comfortable fit while maintaining maximum control for even the biggest dogs. Matching Double-Layer Brites Leads are also available and sold separately, see item TP648. Double Layer Brites Nylon Collars are available in the colors and sizes listed below.