Premium Materials: Our concession serving window is made with a 1.5mm/0.06in thick aluminum alloy frame and stainless steel mesh screens, ensuring durability, robustness, and a longer lifespan. With a powder coating process, the food truck windows look elegant and stylish. The product size is based on the actual description of the link. Slot Upgrade: The slot design has been upgraded, allowing customers to change the glass styles themselves. The trailer window lets you personalize your stand, adding more flair to attract customers to your sales activities. Easy to Open: With an 85° wide opening angle for an expansive view, equipped with two hydraulic rods, it opens effortlessly. This concession window enables you to easily serve food to customers. The included sunshade protects against heavy rain, sunlight, and theft. 4 Mesh Windows: This food truck service window is equipped with 4 mesh windows. The 0.6mm mesh design perfectly protects your food from falling leaves, trash, and other outdoor dirt. Using a double sliding track, you can freely move the windows to the middle or side as needed. For security, there are 2 locks with keys on the windows, allowing you to lock and secure the windows, increasing the truck's security during transportation or while parked. Precision Opening: The 36"L x 36"W multifunctional concession window is both aesthetically pleasing and practical, with precise dimensions, and is easy to process, install, or dismantle. Available in a variety of sizes, it is widely used in food trucks, concession stands, dining cars, BBQ trailers, mobile dining units, etc., and is perfect for participating in food festivals.