Juvale Grill Mat Non Stick Baking Liners - BBQ Grill and Baking 100% Non Stick Reusable Multiple Size Large, Medium, Small Mats - 6 Piece Set Great for use in ovens as well as gas and electric grills Dishwasher safe use on top shelf only 100% non stick , FDA approved, Safe up to 500f PTFE- Fiberglass coating both sides Dimensions: Large 22.75 x 16.25 in Medium 19.75 x 15.75 in Small 11 x 9 in