Ladies bra extender sizes(L x W): 3.7" x 2.2" , 3/4" (19mm) spacing between hook centers.this bra extender has 3 rows of position hooks, 3 by 3 hooks enables you to adjust your bras easily. Women bra extension material: the fabric part is nylon and the metal hook part is made of stainless steel. How to use: just attach the hooks on the underside of the extender to your bra hook loops, then use the hooks on your bra to attach to the hook loops on the front side of the extender. Use for: Bra extender comfortably increase the band range of your bras.Especially can be used for pregnancy, maternity and weight gain. Package: 3pcs adjustable bra extenders. Features: Soft, flexible and comfortable. Hook and eye design, easy to use. Attaches onto 3 hooks bra directly. Adjustable length, fit for most size bra. Soft brush backing soothes your skin. Bra Extenders are Easily Use and make your life more comfortable Wide applications: The women's bra extenders can add more extra room to your bras during pregnancy, breastfeeding, weight gaining, bra shrinkage and more, also fit for new bras which is tight for you. Specifications: Size: 3 rows x 3 hooks Color: black Bra extender material: cotton Hooks material: stainless steel Quantity: 3 pieces