Great for cooking fish, jerky and veggies in your smoker, the Masterbuilt 40 Smoker Mat, prevents smaller foods from falling to the bottom while allowing smoke and drippings to pass through with ease. The highly durable, silicone-coated mesh mat can be used again and again. This large smoker mat delivers 219 sq.-in. of cooking space. Compatible with large electric smokers and dishwasher safe. mats. Two mats per package. Type: Smoker Accessories.