en they are spare, you can cut them to any size or shape to fit any need. Also doubles as a bake mat! 2.100% NON-STICK - 100% Non-Stick means you can grill without grease and mats are reusable for years! Non-stick BBQ grill mat prevent even the smallest morsels from falling through the grates. Keep your grill looking brand-new and no more clean-up of your dirty grill! 3.FDA-APPROVED MATERIALS - Our BBQ grill mats are made from 100% PFOA-Free materials and premium PTFE-Fiberglass coating, no PFOA, silicone or other dangerous chemicals! When the use time exceeds 30 minutes, the maximum temperature cannot exceed 260 F; when used for a short time, the maximum temperature cannot exceed 400 F.Certified as safe by the FDA approved and guaranteed by a lifetime warranty. 4.REUSABLE AND DISHWASHER SAFE - Versatile and highly economical, they can be cut to perfectly fit your pans. Both sides can be used over 100 times, for grilling, roasting, and even baking! They are super-easy to clean; just pop them in the top shelf of your dishwasher and forget about laborious scrubbing 5.100% REFUND GUARANTEE - Unhappy with your new grill mats? No problem! Your purchase is covered by our guarantee and an extended warranty - simply contact us for a refund or replacement