... material which can instead of the glass beadsSpecifications:Material: PET metalized filmThickness: 50micronSize: 2mm(Dia) x 12/20/ ... Usage:PET round beads, a new material which can instead of the glass beads, acrylic beads glitter powder, sequins, ... kinds of PET/PVC/OPP films (Such as PET rainbow film, PET/PVC/OPP metalized film, holographic film, multi-lens film, glitter film, fluorescent film.) and ...