What can we say about the Red Boy Extra Large butt plug? It's very very large, so appropriately named the Challenge. The tip starts off at about 4 inches around, before finishing off at a whopping 14 1/5 inches around. It's definitely not for the faint of heart, and not for anal beginners, if you're an expert, or just up for a nice big challenge, this is for you. Specifications Length - 10" Insertable length - 8 " Girth - 14 1/2" around at widest Width - 15" Material - Rubber filled plastic Special features - Extra large size Color - Red