Long Lasting Reusable Ice Blocks for Coolers - Thick PE Freezer Packs for Food Refrigeration and Breast Milk Preservation - Portable Ice Crystal Box(5.9 x 3.1 in,Style B)
Long Lasting Reusable Ice Blocks for Coolers - Thick PE Freezer Packs for Food Refrigeration and Breast Milk Preservation - Portable Ice Crystal Box(5.9 x 3.1 in,Style B)
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Long Lasting Reusable Ice Blocks for Coolers - Thick PE Freezer Packs for Food Refrigeration and Breast Milk Preservation - Portable Ice Crystal Box(5.9 x 3.1 in,Style B)

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Key item features

  • Good Expansion and Long - lasting Cooling: The ice crystal box is filled with coarse crystal particles, offering excellent expansion, strong cold storage capacity, and high energy storage. With its large capacity, it provides long - term cooling and can be cycled for repeated use, ideal for keeping items cool in cool bags, coolers, and lunch bags.
  • Thick and Durable Design: Crafted from thickened PE material, these freezer packs for coolers are leak - proof and sturdy. They take up minimal space and are easy to clean, ensuring a reliable and long - lasting performance for various cooling needs.
  • Water Swelling Mechanism: When adding water, do not fill the ice crystal box to the brim as ice crystals expand during the water - absorption and freezing process. After adding water, place it in the refrigerator for 2 - 4 hours (or 3 - 6 hours to form large ice cubes), and then it's ready for use in multiple applications.
  • Enhanced Cooling for Air - conditioning Fans: These ice packs can be used as ice crystals for air - conditioning fans, making the cold air more intense. They have the ability to store cold for an extended period and can be reused, effectively improving the cooling effect of air - conditioning fans.
  • Widely Applicable: The reusable lunch ice packs have a wide range of uses, including food refrigeration, breast milk preservation, nursing, barbecue self - driving refrigerated transportation, and more. They are a versatile solution for all your cooling requirements.
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