Certified Sustainable. DESIGNED IN USA!!! Custom Design: The front windshield shade has been custom cut specifically for GMC Sierra 1500 2500 3500. Precise fit design and Reinforced steel rings make a precise and secure fit to the window, no need to use suction cups to hold it in place. It won't sag or collapse like other car heat shields. Fits for GMC Sierra 1500 2500 3500 2025 2024 2023 2022 2021 2020 2019. Upgraded 4-Layer Sunshade: The windshield cab shade boasts 4 layer of heat shield fabric to keep out the sun. The first layer is premium 240T reflective polyester, while the second layer is high- quality fabric. Double insulation and protection, making it the best shade and insulation on the market.