Please NOTE that our bra insert isn't supposed to be a stand alone bra. We recommend using our sticky bra inserts with all kinds of regular bras, swimwear, bikini tops, gowns, strapless bandeau, leisure wear, etc. No sewing required and removable. Double-Sided Adhesive Inserts :Unlike traditional inserts, adhesive push-up bra inserts with adhesive on both sides,which is designed to stick on your skin and clothing, ensure more security,no adjusting or slipping. Natural Looking Lift :These push up inserts are for putting inside bras to provide support. Sticky bra inserts can create eye-catching and natural-looking breast curves while experiencing our amazing lift-up or push-in effect. Lightweight & Breathable: double-sided self-adhesive bra inserts with safe silicone gel for excellent stickiness on both sides.They are made of high-quality sponge and soft cloth,waterproof and sweat resistant, lightweight and comfortable. Easy to use :Sticky inserts suitable for all kinds of regular bras, swimwear, bikini tops, gowns, strapless bandeau, leisure wear, etc.No sewing required and removable, 1 pair fits for all clothes. Washable & Reusable: Keep the plastic sticker that they come with to re-attach when you take them off to keep the adhesive clean and sticky for storage. You can also clean the adhesive with soapy water and re-use these multiple times over.