Tyre safety advice from Michelin: 

Ever wondered what the markings on the side of a tyre mean?

• 4x4 Diamaris. This is the name of the tyre.
• 285/35 R 22 102W This is the size and characteristics of the tyre.
  285: This is the section width of the tyre. That means the overall width of the tyre in mm
  35: This is the aspect ratio of the tyre. That is the sidewall height of the tyre as a percentage of the section width
  R: This mean the tyre is of Radial construction
  22: This is the internal diameter of the tyre.
  102: This is the load index. How much weight the tyre can carry 
  W: This is the speed index. The maximum speed the tyre is designed for.
• Tubeless: This means the tyre has no inner tube