Complete your DIY face mask with this 3mm wide nylon/spandex elastic. This white elastic tape can be stitched onto (or crocheted over) to create ear straps or behind the head straps for the perfect fit to finish your mask. Content: 80% Nylon, 20% Spandex. Put up: 3.5oz/100g, 109yd/100m. Machine Gentle Cycle, Line Dry. Imported.