Women bra extender sizes (LW): 10 x 7.6 cm, featuring 3 rows of hooks with a 3 by 4 hook configuration for easy bra adjustment. Bra extension material: The fabric portion is made of elastic cotton and the hook portion is made of stainless steel. The cotton fabric is soft and comfortable to wear. Multiple color options: Available in black, skin color, and white to match different bra colors, allowing you to choose based on personal preference. Additional comfort: The extended bra strap provides extra room, enhancing comfort and ease when wearing bras. Extend bra life: This bra back extender helps adjust the fit of both new and old bras, accommodating changes due to weight gain, pregnancy, or bra shrinkage.