Ekouaer Women's Steel Boned Underbust Waist Training Corset(Black,3XL) BEFORE ORDERING:We are not standard US size, don't use amazon size chart.Please measure your current waist to select right size,we ensure our size are accurate.Fit must be very tight for cincher to work.If you can't endure tight-fitted garment,the product is not for you.The 2 Styles share different size chart.*** Upgraded 3 layers fabric: Inner layer constructed with soft and cozy 14% Cotton+6% Spandex+80% Polyester;Mid layer of 0.6mm thickness 100% natural latex;Outer layer of durable 14% Spandex+86% Nylon XS to 6XL are available.big and wide 3 row hooks allow for size adjustment ,Hook first eyes starting from botton and move up. Longer in the torso provide slimming through the lower back and lower abdomen. Flexible boning rods keep the garment stay in place,flexible rods give you comfort and allow free movement. Boosts thermal activity and gently lifts underbust,control tummy just by putting it on.Takes inches off your waist and creates an hourglass figure and promotes a quick postpartum recovery.