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Reusable Gel Ice Pack for Cooler & Lunch Box - 5 Pcs provides thermal insulation for food and breastmilk storage. These 150g gel-filled bricks maintain low temperatures after a 6-to-8-hour freeze cycle. Under road dust or heat, the BPA-free HDPE shell keeps contents chilled inside insulated bags.
Key Features
- Slim Profile: 12x12x1.5 cm dimensions. Slides into narrow gaps in bento boxes or small lunch bags.
- BPA-Free HDPE: Food-grade plastic shell material. Prevents chemical contamination when packed with food.
- Leakproof Shell: Impact-resistant hard exterior. Stops gel leaks even under the weight of heavy containers.
- Cold Retention: 150g gel weight per pack. Maintains low internal temperatures after 6-8 hours in a freezer.
Frequently Asked Questions
How long do gel ice packs stay cold?
The 150g thermal mass maintains freezing temperatures for several hours inside insulated environments. Ambient heat and cooler insulation quality dictate the final duration.
Are gel ice packs safe for food?
These packs use food-grade, BPA-free HDPE materials. This construction prevents toxic leaching during direct contact with food storage containers.
