6PCs Freezer Blocks Ice Brick, Mini Ice Packs, Freezer Cooler Bag Box, Reusable Cooler for Cooler Bags, Lunch Boxes, Travel, Picnic, Keeps Foods

Details

• [Thick Hard PE Shell] Constructed with thick rigid PE flat shell for tight liquid sealing and leakage prevention. Equipped with double-sided pressure relief holes to avoid bulging and cracking after long-term freezing.
• [Polymer Ice Pack Cooling] Filled with polymer blue ice gel, no water injection required, freeze directly. It features stronger cold retention than ordinary ice cubes for long-lasting constant cooling.
• [Stackable Slim Flat Design] Slim and flat shape enables stacking. It can be laid flat in coolers without wasting space and prevents food from deteriorating due to accumulated water.
• [Food-Grade Safe Material] Food-grade inner content with no peculiar smell. Safe for direct contact with fresh food, drinks and bento boxes for home, camping and stall use.
• [Reusable & Multi-purpose] Repeatedly freeze and thaw for thousands of cycles without easy damage. Ideal for cold chain transport, air cooler cooling, pet cold compress and more scenarios.