Simple Solution Washable Male Wraps are made from lightweight microfiber fabric with re-positional closures for ultimate comfort. Designed to meet the needs of male dogs, they offer super-absorbent, long lasting protection and are perfect for preventing messes from excitable urination, urinary incontinence and male marking. The Small size fits dogs with a waist size of 12" - 14". For optimal fit, measure your dog's waist near his hind legs and refer to the Simple Solution new and improved sizing chart.