Name:7glass beads&plastic beads/pcs. Reflector:7glass/plastic beads reflector Size:Φ16.55*3.8mm Weight:8g-10g/pcs(glass beads)/6g/pcs(plastic beads) Carton Size:29*29*36cm/Qantity:1000pcs/carton Material:ABS+high light glass bead Life:5years Visual range:800-1000m Use install on different road stud Material: plastic film, white glass bead reflections.Used for all kinds of nail