Cooks Innovations Non-Stick Oven Liner; Professional Grade - Never Clean The Bottom Of Your Oven Again FOR A CLEANER OVEN: catches all spills, drops and drips from from pies, casseroles, pizza etc. before they burn, smoke and bake-on to the hot oven bottom for a cleaner oven; BPA and PFOA free EASY CLEANING: Safe, non-Stick PTFE is durable and cleans up easily; dishwasher safe WORKS IN ALL OVENS: convection, electric, gas, microwave SAVES YOU TIME AND ENERGY: save time, effort, and hard work time after time, use after use VERSATILE, QUALITY MATERIAL: 16.5 X 23, heavy duty professional grade but can be cut to size easily with household scissors; easily tolerates temperatures up to 500 degrees; can be used as an oven or pan liner, baking/cooking sheet or mat Toxic-smelling oven cleaners that require you to ventilate and leave the house The burning smell and ash residue clean-up required of of self-cleaning ovens Laborious scrubbing and scraping from impossible angles Having to replace an oven due to excessive wear of oven floor and burners or elements