MATERIALS:PFOA-FREE and high quality PTFE-Fiberglass coating THICKENESS: 0.2MM SIZE:30 x 40cm PACKAGE:5 PIECES PER PACK INCLUDING 2 BLACK, 1 GOLD, 1 BROWN AND 1 BEIGE CARE INSTRUCTION 1. DO NOT use directly on oven element or open flame. 2. DO NOT use self-clean mode 3. DO NOT use above -76℉ to 500℉ / -60℃ to 260℃ 4. DO NOT bend the mat after use. Lying down to dry after wash. 5. DO NOT use sharp or scratchy cleaning tools when clean the mats that will destroy the non-stick surface. LOVE TO COOK BUT NOT TO CLEAN UP? HOW USING OVEN LINERS IS THE SECRET SHORT-CUT TO KEEPING YOUR KITCHEN SPOTLESS * Impress your friends and family as they wonder how you're able to cook a delicious meal then clean up in record time. Our non-stick oven liner is easy to use, versatile and dishwasher proof. * At we're passionate about food and designing cooking and grilling products and oven accessories that bring out the inner chef in you. With quality you count on, we've got your back. Consider us your sous-chef in the kitchen. PLACEMENT FOR ELECTRIC OVENS WHERE THE ELEMENT IS VISIBLE Place oven liner directly under the visible element. The oven liner should not touch the walls or door of the oven. PLACEMENT FOR ELECTRIC OVENS WITH NO VISIBLE ELEMENT Place oven liner on the bottom wire rack of the oven. DO NOT place on the bottom of the oven. You may place baking dishes and pans directly on the liner's surface. The oven liner should not touch the walls or door of the oven. PLACEMENT FOR GAS OVENS Place oven liner on the bottom wire rack of the oven. DO NOT place on the bottom of the oven. You may place baking dishes and pans directly on the liner's surface.