Caution sign: 1. Made of PS, PVC, PP 2. Thickness: 0.7-1.2mm. 3. Aluminum pole & reflective film are available for us, ... too Caution sign, Plastic sign, Security sign, Plastic Sign:1). Material: Transparent PS, PVC, ... -mark etc.6). Artwork(design) based on customer request caution sign made of plastic material with customized designs