This product is a 4-pack of 2-hook bra extenders for most 2-hook bras. Each pack contains 4 extenders in skin tone and black, blending invisibly under clothes. Each extender has 1/2-inch hook spacing, compact size (3.93*1.29 inches), 3 rows of adjustable hooks and an elastic band for customized tightness. It is easy to install: hook it to the bra's back loops first, then attach the bra's hooks to it. Made of soft fabric with strong stitches, it is comfortable, sturdy and has anti-fall hooks with good load-bearing capacity. Suitable for those needing bra tightness adjustment due to pregnancy, weight changes or bra shrinkage, it solves ill-fitting issues.