15 and 30 Foot Dog Training Lead Professional Web Lead is a professional training lead which will help to control your dog in a variety of situations on land or water where control is needed. It has a double crossed box type stitching and die-cast chrome plated snap bolt. 100% Cotton Canvas. Double crossed box type stitchings. Die-cast chrome plated bolt snap. Mildew resistant. Available in 15 foot or 30 foot lengths.