This is a type of translucent colored TPU cord. It is added custom glitter. Of course, the size and color can be customized. Many customers use TPU elastic cord for jewelry making. But the diameter of TPU cord will influence its elasticity. The thinner the TPU cord is, the stretcher it is.
Regular diameter includes 0.5 mm, 0.6 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 3.0 mm.