To ensure the optimal performance, safety, and longevity of your cooler cart, kindly adhere to the following usage instructions: It is crucial to drain the water from the cart's compartment promptly after use, as failure to do so may result in: 1. Compartment Expansion: Accumulated water left untreated may cause the compartment to expand, distort or crack. 2. Reduced Insulation Efficiency: Moisture can compromise the insulation properties, allowing heat to penetrate more easily and reducing the cart's ability to maintain chilled temperatures. 3. Structural Damage: Prolonged exposure to moisture can weaken the cart's structure, making it unstable and unsafe for use. Thank you for your attention to these important guidelines. Safe usage and proper maintenance will maximize the performance and lifespan of your cooler cart. Are you looking for a high-quality cooler? This 80QT Rolling Cooler with a Shelf is highly recommended to you! It can keep warm food above 40 ℃ for 8 hours. Cool preservation for up to 48 hours with an ice sheet. It's great for the party, you can push it anywhere you want, and it has two locking wheels for parking. You can fill it up and it won't wobble, because it's iron feet to keep it stable. In addition, it comes with a bottle opener (fixed), a small box, and a drain hole (with a plug).