Tomboy Lesbian Oversize Super Flat Chest Binder Slim Fit Tank Tops Material:Cotton,Polyester,Besides, for items that are of a Slim-and-fit style, the actual size is likely to be tighter than the standard size. Strong elasticity with a whole piece of elastic band inside the chest binder. Make chest flat and become cool. Lable Size XL (US Size M): suitable for B CUPChest Measurement:34.6"-37",Height:5'24"(FT), Weight:121-143 lb.Lable Size 2XL (US Size L): suitable for C CUP.*Chest Measurement 110-117cm/43.3"-46",Height: Height:5'5"(FT), Weight:160-165 lb. Lable Size 3XL (US Size XL): suitable for D CUPChest Measurement:40.5"-42.9",Height:5'5"(FT), Weight:165-187 lb.Lable Size 4XL (US Size 2XL):suitable for D CUPChest Measurement:43.3"-46",Height:5'5"(FT), Weight:187-190 lb. Lable Size 5XL (US Size 3XL):suitable for E CUPChest Measurement:46"-49.2",Height:5'6"(FT), Weight:190-195lb.Lable Size 6XL (US Size 4XL):suitable for F CUPChest Measurement:49.2"-53",Height:5.7inch, Weight:195-199lb.