High quality material: made of durable 210D oxford fabric, black coating treatment, rainproof, tear and cold resistant, durable to keep your tires sun, wind and rain resistant all year round. Delay tyre ageing. Zipper Design:The zipper design can be mounted quickly and easily on stacked tires, saving time. It is an essential product for seasonal tyre storage, which helps to extend the life of the tyres. Drawstring design: adjustable drawstring with barrel rope closure, which can fix the cover tightly. Each cover has sturdy drawstrings and press studs on the hem to ensure good coverage and prevent the tyre cover from shifting. Detailed size: approx. 73 cm diameter and approx. 110 cm high. The tyre cover is suitable for most tyres. First measure your tyres to determine the correct tyre cover size. Calculate tire size: tyre parameter P225 or 50R17, then A = 225 B = 50 C = 17, tyre diameter = A x B or 500 and C x 2.54 = 65.68 cm, the size is appropriate. The tyre cover is also suitable for tyres of the following sizes: 155 or 80R13, 165 or 80R13, 215 or 55R16, 225 or 50R17, 235 or 40R18, 245 or 40R18, etc.