Miami Dolphins Grill Cover Deluxe Heavy Duty -NFL Miami Dolphins 2013 Deluxe Grill Cover 68" The cover is made of a .15 mil thick vinyl with 1/4'' flannel lining to protect stainless grill finishes. The stitching is tested at 30 lb. pull strength. The grill cover will fit a grill up to 68'' wide, 35'' high and 21'' deep.