Stainless Steel Ice Packs with Long-lasting, Powerful Cold Retention. Ideal for Lunch Boxes, Sports Events, Outdoor Activities, Fishing, Disaster

POINT 1: [Compact size and no expansion after freezing] The pack measures just 17.8 x 12 x 1.3 cm and weighs just 450 grams. Its compact size makes it easy to carry and store in a child's lunch box without taking up too much space. It's suitable for lunch boxes and insulated bags, allowing you to efficiently save space in your lunch box or refrigerator without affecting the layout of your tableware. Unlike plastic-packaged ice packs, it maintains its original shape and structure when frozen, preventing damage caused by expansion. POINT 2: [Quick Freezing & Long-Lasting Cold Insulation] The innovative alloy construction and multi-layered alloy exterior reduce heat conduction, enabling rapid cooling. The built-in cooling liquid keeps food and drinks cool for hours after freezing, maintaining the optimum temperature. It maintains a stable, long-lasting cold for up to 12 hours. After use, simply rinse the ice box with water, return it to the freezer, and pre-freeze for at least 4-6 hours before using it again. POINT 3: [Safety and Environmental Consideration] Made from food-grade stainless steel, it is BPA-free and does not have the unpleasant odor typical of plastic. Its robust construction and excellent impact resistance make it non-toxic, safe, durable, and reusable. The smooth surface provides a tight seal, preventing rust and corrosion, and preventing leaks that could affect food. It is easy to clean and can be reused, eliminating waste and making it an environmentally friendly design. POINT 4: [Outstanding Functionality] - Effectively prevents unpleasant odors. The stainless steel outer layer absorbs unpleasant odors at the atomic level, preventing stale flavors. The chromium, nickel, and other elements on the surface release trace metal ions to achieve this effect. Furthermore, the smooth surface with few voids or cracks makes it difficult for bacteria to adhere and grow. Its scratch resistance is excellent, withstanding over 30,000 scratches from hard objects. Its animal-friendly design also makes it resistant to pet bites. When used in conjunction with a fan or other air cooler, it improves cooling efficiency by over 50% and enhances usability. POINT 5: [Suitable for a variety of uses] This versatile bag can be used in a wide range of situations, meeting a variety of needs. It can be used in children's lunch boxes during daily life or commuting, as well as in the office to cool drinks, store medicine, and keep breast milk fresh. It's also ideal for outdoor activities like picnics and emergencies, as it can easily fit into picnic baskets, cooler bags, lunch bags, and pet cars. Its special features include a pet-friendly design that helps cool pets in the summer and is bite-resistant. It can also be used all year round and to regulate body temperature after exercise. Its usability is beyond imagination.