- Durable Construction: This leak-proof backpack is crafted from high-quality Oxford cloth with a waterproof lining. It effectively maintains your food at an ideal temperature for hours and offers ample space for all your lunch or picnic essentials. Designed for outdoor adventures, this soft yet robust cooler backpack is built to endure. - Quality Design: Featuring robust, smooth zippers for effortless access, this backpack cooler is made to withstand wear and tear. With precision stitching and reinforced seams, it combines durability with style, making it suitable for use as a lunch pack or everyday backpack. - Internal Leak Resistance: The insulated cooler backpack utilizes advanced hot pressing technology to prevent leaks. It allows you to store ice cubes alongside perishable food and drinks without worry. Ideal for various outdoor activities such as picnics, beach outings, work commutes, and road trips. - Generous Capacity: Measuring 27 x 18 x 40 cm (10.6 x 7.1 x 15.7 inches), this thermal backpack provides ample room for fruits, beverages, lunch boxes, mobile devices, wallets, skincare products, snacks, and more. It also includes additional small pockets for organization and can be easily folded away when not in use, saving space. Practical Applications: - Perfect for family picnics, keeping all your food and drinks chilled and organized. - An excellent companion for beach days, ensuring refreshments stay cool under the sun. - Great for daily work or school use, combining functionality with a stylish design.