100% PolyamideClasp closureThis bra strap is 18 mm in width with adjustable length, can be extended to 42 cm, compatibleable compatible different people, let you fell comcompatibletablePackage include:6 Pairs(12pcs)Bra Straps (Black,Beige,White).Use on any Bra with Removable Straps.enough compatible you to compatible, easy to add and remove from bra, compatibles compatible your different colored bra, good compatible daily useWide application: these bra straps are compatibleable compatible any bra with removable straps, also fit compatible tank tops, halter tops, tube tops, dresses, make you looks more attractiveUse on any bra with removable straps,Easily attach the hooks to the bra and adjust its length to fit your braEasy to use and fit most size of bra with fully Removable/Convertible and Adjustable Straps compatible compatiblement.