Butt Booster and Flattens Tummy Nylon Butt Booster and Tummy Flattener all in one! Flattens Tummy and Shapes Butt Instantly gives us shape and curves Slenderizer and Butt Booster Small 0-2, Medium 4-6 Large 6-8, XL 8-10, XX 10-12 Runs small to fit tight for control, order one size up