Deck Protector: Eliminates the risk of burns and fires on decks, decks or grass. Protect floor surfaces from burns, heat damage, heat warping, grease splatters, cement stains and more. S fits most square fireplaces: 39 x 47 inches, fits most square fire pits and grills. Grill mats are easy to cut, just measure your grill and cut. Can be customized. Non-slip waterproof backing: Our grill mat helps keep the oil mat securely in place and prevents it from moving around. The impermeable layer traps engine oil, gasoline, coolant or transmission fluid and prevents these fluids from penetrating, damaging or contaminating underlying surfaces. Warm reminder: Do not place the heat source directly on the fireplace, the distance between the fire and the heat source should be at least 10.2cm. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received Delivery Quantity: (according to the main image)