Three Sorts Fits For Most Size Womens Bra: Three colors and three sizes 2 x 3, 3 x 3, 4 x 4 Hook and Eye Strap Stretchy Extension,adjustable length, fit for most size bra, easily hooks onto most size 2/3/4 hook bras. This item is used to add more extra room to bras that are too tight and comfort while wearing your bra. Wide Application Range: Bra extender comfortably increase the band range, perfect addition to your maternity clothes,daily apparel and sportswear. Three sorts size: 4.3x3, 4x2.2, 3.8x1.3, metal hook link spacing: approx. 0.75, 0.75, 0.51. Easy To Use: Hook the hook part of the bra extender onto the metal hole part of your bra. Put on your bra as you normally do. Item Name: Bra Elastic Extender; Main Material: Polyester; Main Color: Black, White, Beige; Three Sorts Item Size: 3.9x1.3, 2.2x 2.0, 4.3x3.0(L * W)