Pen Clip 1, PP material Pen clip 2, Easy to fix the pen on whiteboard 3, Can fix the pen with 0.8-1.2CM diameter Pen ClipITEM NO:KH3881 Pen ClipL*Dia:48*90MMpacking:250PCS/poly bag,10000PCS/CTN, N.W.13KGS G.W.14.5KGS MEAS:42*38*36CMFeel free to contact us if you interested in our products.