• Premium Material: Made From High-Quality Polyester Fiber (Polyester), This Tires Cover Offers Exceptional Durability And Strength, Ensuring Long-Lasting Protection For Your Spare Tires.
• Waterproof And Dustproof: The Strong Waterproof Fabric Effectively Prevents Water, Dust, And Corrosion, Enhancing The Appearance Of Your Vehicle And Keeping Your Spare Tires Clean And Pristine.
• Universal Fit: Designed To Fit A Wide Range Of Vehicles Including Trailers, Suvs, Trucks, And Many More, Making It A Versatile Choice For All Your Tire Protection Needs.
• Tire Covers Size 14"" Fits For Tire Diameter 60~69cm
  Tire Covers Size 15"" Fits For Tire Diameter 70~75cm
  Tire Covers Size 16"" Fits For Tire Diameter 76~79cm
  Tire Covers Size 17"" Fits For Tire Diameter 80~83cm
• The Strong Waterproof Fabric Effectively Shields Your Tires From Water, Dust, Sunlight, And Corrosion, Enhancing The Appearance Of Your Vehicle And Keeping Your Spare Tires Clean And Protected. Its Universal Fit Design Makes It Suitable For A Variety Of Vehicles, Including, Trailers, Suvs, Trucks, And Many More, Providing You With Versatility And Convenience.
• Easy Installation: The Tires Cover Comes With An Attached Nylon Rope And Buckle, Allowing For Easy Adjustment And Hassle-Free Installation And Disassembly, Without The Need For Any Tools.

Step 1: Find Your Tire Parameter. It's Written On Your Tire Side
Step 2: Calculate Your Tire Diameter
If Your Tire Is Written With P215/60R16, A=215 B=60 C=16.
Tire Diameter=A*B/500+C*2.54 =215*60/500+16*2.54 =66.44cm
You Need To Buy The 14"" Cover.