Reusable Ice Packs for Lunch Boxes and Coolers (4-Pack)

To solve the problem of keeping lunch warm, use musbus ice boxes with flexible sizes and quantities to meet your various needs. Long duration of low temperature, multiple sizes and quantities, and repeated use make these ice boxes a practical solution. This summer, take your friends camping, and let the musbus ice packs help keep drinks cool and delicious food fresh, allowing you to share happy times and enjoy the fun of picnics. These ice packs release cold energy for a long time and maintain low temperature.

[INITIAL USE WARNING] When opening the lid, avoid tipping over the internal powder. Fill water up to the maximum water level line, and tightly screw the lid (minor leakage is normal). Allow it to sit for 30 minutes without further leakage, then place it in the freezer for freezing.

[NO NEED TO CHANGE THE WATER] After the initial use, there is no need to change the water. Simply place the ice box directly into the freezer and refreeze it until the next use.

[SUPERIOR COOLING PERFORMANCE] Our ice packs boast superior cooling capabilities, thanks to their generous dimensions and robust thickness, ensuring long-lasting cooling and keeping your food fresh for extended periods.

[VERSATILE USAGE] Introducing our versatile and durable ice packs! Whether you're packing lunch for work, a day out with the kids, a picnic in the park, spending a day at the beach, or going on a camping trip, our reusable ice packs offer long-lasting cold to keep your food, fruit, and sandwiches fresh and cool.

[DURABLE CONSTRUCTION] Crafted from high-quality materials, our ice packs are built to withstand the rigors of everyday use. Their durable construction and impact-resistant design ensure they can handle bumps and knocks without breaking.

[ICE SUBSTITUTE] Say goodbye to messy ice! Our ice packs serve as efficient substitutes for traditional ice, offering prolonged cooling effects without the hassle of melting ice. Enjoy the convenience of long-lasting cooling wherever you go.

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