Silicone Buttock Enhancer Boyshort Panty. The Silicone Buttock Enhancer Boyshort Panty is specially designed to have the natural look, feel, and softness of real buttocks. Made from a soft silicone gel, this enhancer adds shape to your hips where nature left off. One inch thick silicone gel inserts slip into pockets designed to hold them in place without moving, or shifting. These lightweight, nylon/spandex, panties and gel inserts are easy care, washable and reusable. Super thin edge is almost invisible under clothing. Double mesh, lined tummy panel provides light control to this low rise panty. No one will ever know you have them on, but they will notice your sexy new curves! This is a safe, quick, creative solution when curves are required to make a garment look great.