2980, Safety Sign "Danger Diesel Fuel", 10Hx14W, Recycled Plastic Plastic signs are made from a minimum of 70% post-consumer recycled materials and are printed with UV-resistant inks. The signs are pre-drilled for easy mounting, and include adhesive mounting tabs. Impact-resistant plastic is suitable for indoor or outdoor use. All Zing signs are made in the USA from recycled materials. Recycled materials support sustainability initiatives and LEED credits.