【Premium Material】Crafted from premium aluminum alloy with a sleek baking varnish finish, our concession window exudes elegance and durability, elevating your food truck service with a touch of sophistication. 【Dual Protective Screen Windows】Featuring rust-proof screen windows with a fine mesh design, this window effectively shields your food from pests and pollutants. The innovative dual-screen design offers both convenience and hygiene. 【Effortless Operation】Equipped with hydraulic lifting pillars, our concession sliding window opens smoothly with a maximum angle of 85 degrees, protecting from harsh weather conditions while adding a stylish touch to your setup. 【Enhanced Security Features】With a robust locking mechanism, our serving window ensures the safety of your belongings, giving you peace of mind during parking or downtime. 【Multi-Functional Design】Perfect for a range of food services, from franchise stalls to catering trucks, this versatile trailer window enhances the efficiency and convenience of your sales operations.