Elastic, practically undestroyable stringing material. The biggest advantage, besides extreme firmness, is cross-section. This elastic is flat so you can string tiny pearls (e.g. seed beads 3mm on it. Flat elastic is also excellent for more sophisticated bead patterns.
How to Make Stretchy Beaded Bracelets with Elastic Cord - Sarah Maker
How to Make Stretch Bracelets that Won't Break - the neon tea party
Stretch Magic
Charm Pendant Christmas 3D Snowflake Retro Tibetan Silver 20x15MM
Mineral / Gemstone Beads Sodalite Ø6 mm
Mineral Beads Onyx Ø6 mm STOKLASA Haberdashery and Fabrics
1 Roll (Diameter: 0.8mm/Length: 50m) Flat Elastic Cord For Beading Diy Jewelry Making Wood Beads, Bracelets, Necklaces, Toys, Elastic Bands
Flat Elastic Bead Jewelry Cord 1 mm
Mineral / Gemstone Beads Sodalite Ø6 mm
Plastic beads / faux pearls Glance, butterfly 10x13 mm