About this item Ladies bra extension material: the fabric part is made of elastic fabric and the metal hook part is made of stainless steel, the fabric is soft and comfortable to wear. Women bra extender sizes: This bra extender has 3 rows of position hooks, 3 by 2 hooks enables you to adjust your bras easily. 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. Service: If you have any questions or confusion about this item, please feel free to contact us, our service team will reply within 24 hours and provide you with a satisfactory solution.