Soft to touch and comfortable to wear, the fabric part of a bra extender is made of elastic cotton and the metal hook part is made of stainless steel.2 hook bra extender This brassiere extenders have multiple colours, suitable for various kinds of bras with back hooks clasps.2 hook bra extender The extended bra strap can create some extra room for you, thus to make it comfortable and easy when wearing your bras. Suitable bra would fit your body well, and it is more decent when you don't have the trail of bra straps on your back. This hook bra back extension helps to adjust your new bra and old bra's size in case of weight gaining, pregnancy and bra's shrinkage 2 hook bra extender