Low back bra for backless dresses - Low cut backless bra with spaghetti straps designed to fit under backless dresses, wedding gowns, low back tops, or any formal evening wear. This low back bra for women is a versatile wardrobe essential that offers support without visible straps. Can be used as an alternative to adhesive strapless bras. Wireless bralette for women provides lightweight support and remains invisible under clothing. Features removable pads for added convenience, suitable for everyday wear or sleeping. Made of 82% Polyamide, 18% Elastane. Fastening with a buckle. White convertible bra - Ultimate invisible backless bralette with adjustable spaghetti straps that can be converted into halter, criss-cross, or U-shaped back styles. Single buckle back design sits lower than traditional styles, allowing your back to show beautifully. Comfort fabric - Women's low back bralette combines style, technology, and comfort. Smooth fabric with spandex wicks moisture, reduces stickiness during sweating, and feels cool and smooth against the skin. SIZE GUIDE - Not recommended for D cup or fuller bust. S fits 30/65C, 32/70A, 32/70B; M fits 34/75A, 34/75B, 34/75C, 36/80A; L fits 34/75C, 36/80A, 36/80B; XL fits 36/80C, 38/85A, 38/85B. Refer to the measurement chart image for guidance. If you prefer a looser fit or wear a C cup, consider sizing up.