Women bra extender sizes(LW): 9.8 x 3.2 cm, this bra extender has 3 rows of position hooks, 3 by 2 hooks enables you to adjust your bras easily Ladies bra extension material: the fabric part is made of elastic cotton and the metal hook part is made of stainless steel, the cotton fabric is soft and comfortable to wear Multiple adaptation: this brassiere extenders have 3 colors, black, skin color and white, can match with your different colors bras, also you can choose the color according to your interests Extra room for you: the extended bra strap can create some extra room for you, thus to make it comfortable and easy when wearing your bras Extend bra lifetime: this brassiere back extension helps to adjust your new bra and old bra size in case of weight gaining, pregnancy and bra's shrinkage