Convert any bra into a cross-back style bra without the expense of buying a new one just for those racer-back or tank-style styles with Secret No. 7: Hollywood Bra Converting Clips! Not only does the bra clips keep those pesky straps hidden and prevent them from slipping, it adds instant lift to your breasts. Won't show through fabrics, and the flexible material and unique shape makes it easy-to-use. This uniquely designed clip is so thin and comfortable, you won't realize you're wearing it. Two clear plastic clips per package.