2-layer insulation: Unlike other products on the market, we use a double layer of heat shield fabric to keep out the sun. The first layer is premium 210T reflective polyester and the second layer is high-quality fabric. Double insulation, and double protection (Fit New Tesla Model Y Juniper 2025 2026 and 2024 2025 Model 3 Highland) UPGRADE Custom-design: Real custom design, fits perfectly with the 2017-2026 Model 3 Model Y front Windshield without any gaps, don't have to worry about any size issues.