Composition: TPU (thermoplastic polyurethane) and some other eco-friendly imported materials Application: used for bead accessories, ornaments accessories, toy accessories, lamp accessories, label accessories Features: 1) Friendly to human body and environment. Has passed test of RoHS (SGS) and Oeko-Tex Standard 100 (TESTEX) 2) Good elasticity. Can stretch 2-6 times based on exact dimensions 3) Antiaging: can keep its quality for 3-6 years 4) Good tolerance for temperature. Keeps elasticity without deformation under temperature of -38°C to 138°C . 5) Resistance to irritating substances. Can bear oil, acid and alkali 6) Solid, odorless and light Specification: Diameter: 0.38mm-3mm Color: clear/any other color Packing: 1kg/roll, 1000m/roll