Unisex Cactus Boxer Shorts - Magic Boxers - Large Unisex Cactus "magic" boxers expand when put in water! These fun unisex cactus "magic" boxers come compressed in a small 2" x 3" package that is in the shape of shorts. Simply remove the packaging and soak the boxers in water for a brief while. They will grow into wearable boxer shorts before your very eyes! The fabric is 100% cotton. Elastic Waist. Large (38"-40")