Size Chart 4(S): Waist Size:23.6-37", Underbust:23.6-32.3", Top Length:7.1", Bottoms Length:6.7" 6(M): Waist Size:25.2-38.6", Underbust:25.2-33.9", Top Length:7.5", Bottoms Length:7.1" 90% Nylon, 10% Spandex Fabric has some stretch Feature: 3/4packs, bralette and panty set, bra and underwear set, matching underwear, women's exotic underwear Occasions: soft and comfy, fit for daily wear Machine washable, handwash recommend Please refer to Size Chart at the product description (The size chart is clothes size, NOT human body size).