Alert people that compressed gas is present by posting this warning compressed gas sign. An image of a gas canister is accompanied by text reading, “Warning compressed gas” Solid white background with black and yellow imprint. Glow in the dark coating. Sturdy and durable plastic construction. Manufactured in the UK by Jalite. Easy to fix using any common adhesive. Your choice of two popular sizes. 200mm x 150mm or 100mm x 300mm. Affix easily to most surfaces using any common adhesive.