3PCS/SET SATIN CORSET KIT: You will receive 1 set of wedding dress back zipper replacement extender in silver, including 1pc back cloth(470x245x2.5mm), 1pc long lace-up(3635x18x1mm) and 1 piece of strap with loops(475x25x2mm) EASY TO USE: Firstly remove the zip or button from the dress, then position the loops and placket in the correct position and sew onto the dress, finally fasten the ties, finished QUALITY MATERIALS: The wedding gown corset kit are made of polyester, satin lustre design, smooth and soft, comfortable hand, hand-stitched, and less prone to pilling, no threads, not easy to fade or break ADJUSTABLE CORSET BACK KIT: Replacing the zip on your gown with a corset kit can make a gown that no longer fits perfect again. Simply tighten or loosen the cords to adjust the gown to your needs WIDE APPLICATIONS: This adjustable wedding corset set is not only for wedding dresses, but also for prom dresses, evening gown, Halloween costumes, causal dresses and so on. You can also use it to make your preferred dresses and use it as the dress back closure, also can be used to replace the zipper or buttons on your old dress for a better fit