The Johnson Shield is the best anti-mating apron out there for helping to prevent unwanted breeding, and leave your bucklings on their mothers longer. The Johnson Shield also helps control urine scald, and the bright fluorescent colors make it easy to spot them in the fields.Made out of tough, washable and flexible water resistant fabric. Nylon strap and heavy duty plastic snap. Weighted and will center itself as goat moves. Recommended for Nigerian and Pygmy bucklings.Adjustable up to 25".Measure goats girth. Completely around chest, behind front legs and add length for growth.Dimensions:8"long7"wideComes with an adjustable/detachable chest security strap that you can use until his tummy fill out.