Elastic Woven White And Black Flat Cord Craft 3mm, 5mm, 6mm, 8mm | eBay
HEMYLU Elastic Cord 1/8 Inch (3MM) x 33FT, Black Elastic String Bungee Shock Cord with Nylon Sleeve and Heavy Strength for Crafting DIY Sewing - Amazon.com
1/8 inch (3mm) Soft Round Elastic - White - Stonemountain & Daughter Fabrics