Material: High Quality Polyester Size: 14 Inch, 15 Inch, 16 Inch, 17 Inch Package: 1 X Spare Tire Cover Cover Size Guide Tire sizes are listed in the detailed description below. Please measure before purchasing. - Cover Size 14" fits tire diameter 60-69cm / 23-27 inch - Cover Size 15" fits tire diameter 70-75cm / 27-29 inch - Cover Size 16" fits tire diameter 76-79cm / 29-31 inch - Cover Size 17" fits tire diameter 80-83cm / 31-33 inch Spare Tire Cover Diameter Calculation Guide Step 1: Find your tire parameter. It's written on your tire sidewall. Step 2: Calculate your tire diameter. If your tire is labeled P225/65R17: A = 225, B = 65, C = 17 Tire Diameter = (A × B ÷ 500) + (C × 2.54) Example: (225 × 65 ÷ 500) + (17 × 2.54) = 72.43cm Based on the sizing guide, a 15" spare tire cover fits this tire. Product Features: The silver-coated sunshade fabric helps protect against dust, water splashing, UV rays, and corrosion. It enhances vehicle appearance and keeps the spare tire clean. Application: Universal fit for jeeps, trailers, SUVs, trucks, and other vehicles. Design: Equipped with adjustable nylon rope and buckle for secure fit. Easy to install and remove without tools. Care Instructions: Wipe clean with a damp cloth. Note: Please allow 1-2 cm deviation due to manual cutting and sewing. Compatible with motor vehicle wheel parts.