Size: S CUP: A-B Under Bust: 68~80cm/26.0"~31.5" G-string Waist: 64-76CM/25.2-29.9" Size: M CUP: A-C Under Bust: 72~84cm/27.6"~33.1" G-string Waist: 68-80CM/26.8-31.5" Size: L CUP: B-C Under Bust: 76~88cm/29.1"~34.6" G-string Waist: 72-86cm/28.4-33.9" Size: XL CUP: B-D Under Bust: 80~92cm/30.7"~36.2" G-string Waist: 75-88CM/29.5-34.6” Size: 2XL CUP: C-D Under Bust: 84~98cm/32.3"~38.6" G-string Waist: 78-92cm/30.7-36.2” Women Lace Sexy V-Neck Lingerie Underwear Hollow Out Backless Jumpsuit Bodysuit Product information: Color: Black Material:Polyester Season: Spring,Summer,Autumn,Winter Style: Sexy style Type: Lingerie Set How to wash:Hand wash Cold Place: Honeymoon, Wedding night, lingerie Party, sleepwear,Valentine's Day.etc Package: 1 X Lingerie Detail: This one piece underwear, mainly made of lace, is elastic, comfortable and soft Refer to your usual similar clothes to choose the right size. The hollow-out underwear and backless design will better fit and show your figure Slip into this sexy Lingerie for an enchanting sleep and the possibility of a happy ending. It is recommended to wash by hand with water temperature of about 30 degrees.