Bra Extender comfortably increases the band range of your bra. Easily hooks onto most size bras. Made of nylon and the metal hook part is made of stainless steel, it is soft and comfortable to wear. Bra extenders are used to add more extra room to bras that are too tight during pregnancy, breastfeeding, weight gaining, bra shrinkage and more, also fit for new bras/old bras which is tight for you. Ideal To Increase The Band Length Of Your Loving Bra Approx. 7 To 10 Cms Must For You If You Gain Weight Or Pregnant Prevents Your Bra Band To Dig Into Your Skin And Show Visible Fat.