Sweat and water-resistant:Ultra boost inserts bra is sweat-proof and waterproof, delicate and soft.Perfect for any occasion, from casual outings to high-energy events, without fear of shifting or discomfort. No sewing required and interchangeable between outfits:Just stick and go! It's the simple!Interchange the inserts between various tops and dresses,saving time and effort. Double-sided adhesive for extra security:Lazyrosy's double sided sticky bra design adheres securely to both your clothing and skin, preventing slips and ensuring a natural, seamless look throught the day.Beside,we also offer 5 pairs of disposable nipple covers,and 1 nice carrry case, and 5 pairs of fearless tape as a gift. Upgrade 4 Different Cup Choice:Accoring to customers' feedback, the lazyrosy double sided sticky bra has been upgrade to 4 different cup size. Small size recommended for A cups, Medium size recommend for B cups, Large size recommend for C cups, X-Large size recommend for D cups.Choose one and let it provides just enough padding & natural shape for you! Always size down, if you are in between sizes for a seamless fit. For the perfect fit,It is crucial to wear them in tight, structured, and fitted tops: Please know that the adhesive bra insert is not supposed to be a stand alone bra! We recommend using our sticky bra pads inserts with all kinds of regular bras, swimwear, bikini tops, gowns, strapless bandeau, leisure wear, etc. Durable and Reusable: To maintain the cleanliness and adhesive properties of these inserts, simply keep the plastic sticker that accompanies them and re-attach it when taking them off. Alternatively, you can clean the adhesive with soapy water, allowing you to reuse them multiple times.