Caution sign: 1. Made of PS, PVC, PP 2. Thickness: 0.7-1.2mm. ... , too Caution sign, Plastic sign, Security sign, Plastic Sign:1). Material: Transparent PS, PVC, PP 2). Card Size: follow customers demand3 ... etc.6). Artwork(design) based on customer request caution sign made of plastic material with customized designs