Premium Material & Health Guaranteed - Made of premium ptfe coated fiberglass, its food grade without BPA/PFOA,FDA certificated.Multiple Applications - Toaster packets are high temperature resistan up to 260(500),can be used for many kitchen applications. Besides toaster, they can be used in oven, micowave oven, roaster ovens,etc.3 Different Sizes - You will get 2 pcs 6.3x6.5 small toaster bags, 3 pcs 6.5x7.1 medium toaster bags, and 3 pcs 6.7x7.5 large toaster bags. Different sizes can be used for different foods. Reusable&Eco-friendly - Our toaster bags can be reusable for more than 100 times, great alternative for disposable paper bags, eco-friendly and save money! Very Easy to Use: reusable toaster bags are non-stick and easy to clean, very convenient for using.