TOYANDONA 4 Pack Freezer Blocks for Cooler Bags, Reusable Ice Blocks with Lid, Mini Air Cooler Ice Crystal Packs - Fast & Quiet Operation - Perfect for Home, Office, Dormitory Use (white)

• Premium Eco-Friendly PE Material: These 4-pack ice blocks are made of high-density food-grade polyethylene (PE), ensuring durability and leak-proof performance. The robust outer shell can withstand repeated freezing and thawing cycles without breaking, making it a sustainable and environmentally friendly alternative to disposable ice packs. Ideal for health-conscious consumers seeking long-term reliability
• Advanced Ice Crystal Cooling Technology: These high-performance ice blocks feature a special internal ice crystal design that creates a powerful heat capacity when mixed with water. This provides longer-lasting cooling for your air conditioning fans or insulated cooler bags, keeping your environment and food chilled for hours, even in the high temperatures of European summers
• Compact, Versatile, and Slim Design: These slim cooling blocks are designed for portability and can be easily placed in confined spaces. Whether you're using a small desktop air cooler, a child's lunchbox, or a packed travel picnic bag, these ice cubes offer maximum cooling surface area while taking up minimal space, ensuring you don't have to compromise between cooling performance and storage space
• Versatile Use: Our multi-functional ice cube packs are the ideal cooling solution for a variety of everyday activities, from boosting airflow in your dorm room air cooler to keeping snacks fresh while camping and hiking outdoors. Lightweight and portable, they're an essential accessory for office workers, students, and outdoor enthusiasts who need to maintain a comfortable temperature anytime, anywhere
• Water Activation and Maintenance: These ice cubes are designed for ease of use; simply add the appropriate amount of water to the internal water tank once to activate the ice packs, then freeze until completely solid. A secure, leak-proof lid ensures no mess during use, and the blue casing is easy to wipe clean, making it a hygienic and easy-to-maintain addition to your daily cooling routine

Description Whether you need to your lunchbox or cool down a fan, our ice packs are ideal. Their medium size makes them easy to carry and store. Using them is also very simple: just fill them with water and freeze. Features -Material:PE -Color:White -Size: 16.50X9.00X3.00cm/6.48X3.54X1.18in - Easy to Use: Simply fill the ice pack with the appropriate amount of water and freeze. - Highly Efficient Cooling: The ice pack can be used with a fan to blow cool air, effectively lowering the temperature. - Sturdy: The ice pack is reusable, not easily damaged, and durable. - Compact and Portable: The ice pack is small in size and does not take up much space in the refrigerator, lunchbox - Versatile: This ice pack can be used for a variety of purposes, including refrigeration and preservation, making it ideal for lunchboxes and outdoor activities. Package Including 4 x cool packs for cooler