Pixnor 10 Piece Underwear Bra Extender Extension 53.5 CM x 5 x 5 Black White Color: Black, white. Material: Elastic cotton and stainless steel. Features 2 hooks and 3 rows. Increase your size range with this simple item. Reduces bra tightness due to shrinkage, pregnancy, or weight gain. Soft, flexible and comfortable design, and easy to use wash.