Latex waist trainer with spiral Felix boning supports, it?s flexible and durable, bend easily but recover quickly to its?origin. High Compression, reduce waistline up to 3 sizes instantly, 3 hook-and-eye closures for flexible sizing. It provides a very nice amount of compression, without being so tight that you can’t breathe – this is what makes it great as a starter if you really want to get into corsets and waist training. It is also great though if you just want moderate slimming and back support. You?ll love how it gives you such great posture, without being uncomfortable at all.