I too wanted to make myself a large belt with black elastic, as a belt, or to sew to a balloon skirt; I NEVER found a 3" wide elastic; so I have just sewn together (staggered) three 1"1/2 wide black elastic. Just machine stich one width to another, than cut the stitched elastics to the wanted lenght and voilà! you have your own very large elastic. And if I may say so myself, those large elastic belts are very very flattering.
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