window sign material:PP or PVC size:13.5*13.5cm four-color printing + PVC sucker window signWe can offer OEM/ODM various kinds of dimensional signs , includingpvc sign,PS sign,PP sign,plastic sign,hanging sign,yard sign,garden sign,traffic sign,safety sign,public signs,display sign etc..Design, color, size, material can all be at customer's option. Sampling fee will be surprisingly low, and time ...