Accuform Signs Hazard Class 4 DOT placard, Legend "FLAMMABLE SOLID 4" with graphic. Tear-resistant and waterproof, PF-cardstock is pulp-free no wood or paper content unlike standard cardstock. For short term use, the pliable 10-mil poly-based material will not rip or breakdown in moisture. Placards is ideal as accessory labeling to identify hazardous material in storage. Black on Red/White Stripe color combination. Measures 10-3/4-inches width by 10-3/4-inches length.