Boomba Invisibra Sticky Bra, Sand size B This backless, strapless sticky bra is a must-have for this summer! Say goodbye to wires, straps, and nipple slips and say hello to amazing coverage and comfort. - Clasp closure for a more defined cleavage - Made with hypoallergenic silicone - Perfect for backless clothing styles - Strapless; puts absolutely zero pressure on your shoulders For the perfect fit, they recommend choosing your true size. Only size up if you are in between sizes. This product is not intended for individuals who have sensitive or thin skin or women who are pregnant or breastfeeding.