Features: Elastic jewelry cord crafted of plastic, offering flexibility and strength for repeated beading and daily wear. The stretchable designs with crystals clear invisibility seamlessly blends with beads, enhancing their natural color and shine without visible threading. Ideal for enthusiasts, jewelry makers, and craft seek sturdy materials for creating adjustable bracelets and necklaces. For crafting personalize accessories like elastic bracelets, beaded necklaces, or decorative sewing projects requiring discreet yet sturdy threading. Accessory with various bead types including crystals, wood beads, and ceramics charm, enabling creative combinations for professional looking handmade jewelry. Specifications: Materials: Plastic Type: As Picture Show, Five Type to Choose Size: Total Length 100m/3937.01inch Diameter 0.5mm/0.6mm/0.7mm/0.8mm/1mm Package Includes: 1pc Jewelry Bead String note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.