- Superior Insulation: Designed with three layers of high-quality materials, this lunch bag keeps your food warm, cold, and fresh. The outer layer features durable Oxford fabric that resists abrasions and tears. The middle layer, made of 1.5 mm thick pearl material, effectively manages temperature, while the aluminum foil inner layer ensures optimal heat retention. All materials are 100% non-toxic and BPA-free for your safety. - Spacious and Sturdy: Measuring 20 cm x 15 cm x 28 cm, this lunch bag offers ample storage for lunch, sandwiches, fresh fruit, and beverages. It can hold up to six 550 ml water bottles, making it perfect for day trips or work lunches. Crafted from high-quality materials, it promises long-lasting durability even with regular use. - Leakproof and Waterproof: Both the exterior and interior are constructed from waterproof and dirt-resistant Oxford cloth and aluminum foil. This design allows for easy cleaning—just wipe away spills with a damp cloth. The waterproof feature effectively prevents liquids from leaking in, keeping your items dry and free from stains. - User-Friendly Design: The lunch bag boasts a unique 35 cm top opening for easy access to your food. The Velcro closure provides a secure seal to maintain temperature while allowing quick retrieval. Additionally, it can be conveniently folded or rolled up for space-saving storage, making it ideal for daily use. Use Scenarios: - Perfect for office lunches—store your meal and drinks securely and keep them at the right temperature. - Ideal for picnics or outdoor activities—efficiently carry sandwiches, snacks, and beverages without worrying about spills. - Great for school—students can pack nutritious lunches that stay fresh throughout the day.