NEWEST WATERPROOF Bra Inserts are specially designed for SUMMER, enjoy your swimming times from pool to beach, no more worry about swimsuit inserts absorbing water and becoming heavy! . Great Replacement for Original Pads: Replace your flimsy & trashed pads with these premium bra padding inserts now, and save yourselves from throwing out bras that are still perfectly fine (minus the old padding) . MATERIAL: bathing suit pads inserts are made from skin-friendly polyester and eco-friendly sponge, most importantly, we take special processing on the fabric to achieve a waterproof effect . DURABLE Bra Cups Inserts are Sewn around the edges instead of simply glued so they never come apart or deform over time, bikini padding inserts SUPPORT both MACHINE WASH & HAND WASH . EASY TO USE: Breast inserts are soft, comfortable, and smooth, hold their shape nicely without being too stiff; simply insert/sew bra cups into your bathing suits, swimwears, sports bras, nursing bras, and more