SIZE UP SIZE UP IF YOU DO NOT LIKE A VERY TIGHT FIT Fabric: Nylon, Spandex, Smooth, Compressive, Flexible, 3 Way Stretchy• Features: Invisible butt contour inside to lift your butt; Squat Proof; Slim effect; No rolling down, a good amount of support. The waistband is 6.4 inches high with 10 adjustable hooks, super tummy control, and a good slim effect.• Bonus: This pair of leggings with a waist trimmer can help you promote local blood circulation, increase the temperature of your waist and abdomen, accelerate sweating and fat burning, let metabolize faster, giving you the dual effect of exercise and sauna. If you are undergoing postpartum recovery, this postpartum belly wrap can help you tighten your waist and abdomen muscles and make them stronger. It will never let you down.• Occasion: gym, running, yoga, aerobics, jogging, hiking, driving, postpartum recovery, weddings and brides, Social and banquet, housework, office. Protecting core muscle groups and reducing the risk of injury during sporting. No matter when you wear this pair of leggings with a waist slimmer, you can get about 3-4 inch waistline reduction instantly, making your body curve more attractive.