Amazon.com: Elastic String for Bracelets, Selizo Elastic Cord Stretchy Bracelet String for Bracelets, Necklace, Beading and Sewing (1.2 MM, 109 Yards, White) : Clothing, Shoes & Jewelry
1mm Stringing Elastic Cord by Bead Landing™ | Michaels
Black Flat Elastic Cord, 3mm wide, 15 yards - Pony Bead Store
Amazon.com: Elastic String Cord, Zealor 2 Roll 1 mm Elastic Thread Beading String Cord for Jewelry Making Bracelets Beading 109 Yards Each Roll (White and Black)