Neoprene Imported Zipper and hook and eye closure High elasticity spiral steel bones supports, flexible and durable, bend easily but recover quickly to the origin, Three rows of hooks allow for the size adjustment for the shrinking midsection. Upgraded 2 layers fabric: ITwo layers of latex punching, three layers of hidden holes for breathability, outer layer of nylon, inner layer of cotton.ort torso. It helps to Trimme 3-4 inches in waist when you wear it. Select the size you like with thesize map. Or you could read the product description to select the right size you need. Breathable Latex Waist Trainer design ensures this waist trainer is breathable and cotton lining makes it could absorb sweat. Boosts thermal activity, shape waist, and tummy control just by putting it on. Shaping off your waist and creates an hourglass figure and promotes a quick postpartum body shape. Fit for working, Outdoor sports, running, Gym, Yoga, postpartum belly abdomencorset etc. Products from Chunchuan's store