Aluminum non-stick grate liner. Heavy-duty grill liners keep your food and grill clean by preventing food from falling into the grill grates. Disposable aluminum liners are designed to cover grill grates and are great for use on public grills. Measure 16 In. x 11.75 In. x .88 In. and come in a 4 pack. Maintain grill marks and allow all of the grilling flavor to come through. Easy clean-up.