Pike Flag - US NAVY Military Trailer RV Spare Tire Cover OEM Vinyl Black 27.5 in Protect your camper's spare tire from road grime and sun damage while showing off your style! Constructed of Marine Grade Vinyl Fabric, this durable UV-resistant cover is designed to perfectly compliment your home away from home. Elastic hem closure secures the cover and makes for an easy install! Double-needle stitching and overlapping seams Order by tire size or measure tire diameter to determine size, ALLOW EXTRA so it will slip on easily