Hook and Eye closure.Material: 84%Nylon 16%Spandex.Body Shaper for tummy control: Stretchy fabric for easy to put on. Seamless design for invisible underneath any type of clothing. Open crotch design for convenient bathroom use. Silicone band holds garment in place. There is a pair of extra-longer straps for better adjust and fit.Shapewear with deep plunge, V-Neck and backless design, This bakckless shapewear could offer more support with underwire bra,and the Shapewear fit for Deep Plunge and Low back Dress. Shoulder strap design: Adjustable single shoulder and cross-tie method,the length of the strap could be adjust freely..Size options: For this backless body shaper, there are many cup sizes to choose from, so you can find a more suitable one.Please wash undergarment before you wear it for the first time. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!