Nakpunar 12" Black Elastic Button Loops - Adjacent - For Bridal Gowns, trails 12" Black Elastic Bridal Button Looping. Sold by the 1 feet (12 inches). If you purchase more, it will be in one continuous length. Available in elastic, non-elastic, 1" space and adjacent style and the colors: White, Ivory, Black, Burgundy, Brown, Navy etc. Works with 1/2" or 3/8" buttons (available in our store) How to use: Elastic button loops are so hard to find and the best helpful thing at your wedding day. Just get a big crochet hook handy and start from bottom loop. Pull the button loop with crochet hook and pull it through to button and release it when the elastic is back of to button. Continue to next one.