Rxakudedo 24L Insulated Backpack, Lightweight and Leak-Proof - Soft Insulated Camping Cooler, Portable Cooler Backpack for Travel and Hiking, Keeps

Despite its compact design (40cm high x 19cm wide x 32cm deep), this bag boasts a large capacity of approximately 24L. It can hold up to 30 355ml drink bottles. The flip-top zipper allows for smooth opening and closing, and the top mezzanine pocket allows for quick storage of a smartphone. Side pockets accommodate water bottles and folding umbrellas, making it easy to organize for everyday use and outdoor activities. [The special built-in insulation layer keeps drinks and beer cold. It's also ideal for preserving the freshness of groceries purchased from the supermarket, preventing food from deteriorating in hot weather. Adding ice packs for even greater effectiveness! It keeps food cold for several hours in the car, even without air conditioning. [Perfect for commuting, shopping, camping, and picnics. It safely stores perishables and dairy products, and adding two ice packs maintains a stable internal temperature even in the hot sun. It's also perfect for storing melting chocolate and ice cream, even in a car where heat builds up. ] [The backpack design leaves your hands free, making commuting by bicycle or picking up your children stress-free. The cooling function helps you stay hydrated on hot days, allowing you to easily grab a cool drink even during a sweaty commute. The simple design also looks great as a business bag. ] [The freshness-retaining function reduces food waste, helping you save on food costs. It also reduces fuel costs by keeping food cool in the car without using the air conditioner. The lightweight design reduces shoulder strain even when carrying heavy luggage, and the ergonomic design makes long-distance travel less tiring.]