USA Flag Spare Vinyl Tire Cover for 31" Diameter Tire for 31" Diameter Tires Like 265/75/15, 245/75/16, 9.5R16.5, 265/75/16 New 31" Diameter vinyl spare tire cover with USA Flag printed on it Cover has flannel innerliner and embedded bungee cord restraint sewn in cover Soft vinyl is double stitched with corded welt seams Designed to fit on spare tire cover while driving Designed to cover the spare tire to keep it out of the elements like road grime and UV sunrays, protects it from dry rot cracking, plus a covered spare tire looks better than an uncovered tire.