The bakeflon extendable perforated baking mat is the perfect way to make sure the bottom of your bake is crisp the perforated mat allows moisture to escape so soggy pastries are a thing of the past these mats are covered with a teflon non stick coating so they are easy to use and clean they are lightweight for easy handling and extendable to fit your oven great for commercial kitchens lasting over 2000 uses size 300w x 400dmm teflon non stick coating perforated