Amazon.com: 2 Pack 2 mm 5/64 Inch Elastic Cord Stretch String, SourceTon Elastic Beading Cord (Black & White, 55 Yard), Great for Crafts, Hair Ties and Home Uses
1mm 2mm 3mm 4mm White Black Round Elastic Bands Rubber Stitching Rope Tape Cord Wedding for DIY Sewing Clothes Accessories - AliExpress