Dressystar Women's Halter 50s Retro Backless Swimwear Beach Swimsuit Many Styles Please refer to OUR US Size Chart M L XL in the description.Do Not Use "Sizing Info" Link offered by Amazon. Size: M:WAIST(27.2inches-28.8inches) HIP(35.2inces-36.8inches); L:WAIST(28.8inches-30.4inches) HIP(36.8inces-38.4inches); XL:WAIST(30.4inches-32inches) HIP(38.4inces-40inches) Material:Material: 80% polyester,20% spandex. Classic pinup girl rockabilly swimsuit Build in bra with Cups Content:1x Swimsuits + Waterproof PVC Bag