*** Bra extender comfortably increase the band range of your bras.Especially can be used for pregnancy, maternity and weight gain. *** Bra extender 2 hook sizes(L x W): 3.8" x 1.18",with 1/2 inch (12.7mm) hook center spacing. *** Material: the fabric part is made of 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. ***Package: 6pcs bra extenders 2 hooks 1/2 inch Spacing. SAMGU Bra Extender 2 Hook 1/2 inch Hook Spacing, Elastic Stretchy Bra Extension Strap, Bra Band Extender, 6 Pieces