Reusable Dry Ice Packs for Coolers and Lunch Boxes - Flexible Long

In this review of the Nice Packs reusable dry ice packs, the bottom line is simple: these are a practical, reusable alternative to loose ice for anyone who needs dry, long-lasting cooling in a cooler, lunch box, or for frozen food shipping. They ship as 15 extra large sheets that can be cut to size and used again and again, and the biggest reason to buy is the combination of flexibility and multi-day cold retention without wet meltwater making a mess.

Key Features

• Easy activation: The packs expand after a brief soak in water, then freeze overnight to become ready-to-use cold blankets.
• Large custom sheets: Each of the 15 sheets contains 12 individual cells and can be trimmed to fit any cooler, lunch box, or shipping container.
• Long cold retention: Designed to keep contents cold up to 24 hours in an insulated container and often longer under good conditions.
• Flexible and reusable: The flexible material conforms around food and drink, and the sheets can be reused many times instead of single-use ice.
• Leak-proof and food-safe: Non-toxic, non-slimy construction keeps coolers dry and avoids melted-ice messes.

Who It's For

These reusable packs suit people who regularly transport chilled food or beverages for camping, day trips, packed lunches, or couriering frozen goods and want a dry, reusable solution. The cut-to-fit sheets are especially helpful for owners of large coolers or odd-shaped containers who need customizable coverage.

They are less suited to those who need continuous refrigeration beyond 24 hours without top-up freezing or who expect identical performance each cycle; customer reports vary on exact ice retention and durability, so users needing guaranteed multi-day cold in extreme heat should consider alternate refrigerated options.

Pros & Cons

Pros

• Reusable sheets reduce waste and eliminate meltwater in coolers while keeping items cold.
• Customizable size: the 12-cell sheets can be cut to fit a variety of containers and coolers.
• Flexible material fits around food and can double as a cold therapy pack for minor injuries.
• Non-toxic and food-safe construction offers peace of mind for perishable goods.

Cons

• Ice retention varies by use; while many get long-lasting cold, some users report shorter performance around 30 hours in certain conditions.
• Durability opinions are mixed, so heavy rugged use may show wear sooner than expected.

Specifications

Brand	LIVE 2DAY
Quantity	15 extra large sheets
Cells per sheet	12 individual cells
Activation	Soak in water then freeze overnight
Cold retention	Up to 24 hours in an insulated container (variable)
Use cases	Coolers, lunch boxes, frozen food shipping, cold therapy

Our Verdict

The Nice Packs reusable dry ice sheets are a solid value for campers, picnickers, and anyone shipping or carrying chilled food who wants a dry, cut-to-fit solution. They provide flexible, reusable cooling and keep coolers dry, though exact cold duration and long-term durability can vary; for typical day trips and regular reuse they are a worthwhile, economical option.

Frequently Asked Questions

How do I prepare the packs?
Soak each sheet in water for a few minutes to expand the cells, wipe dry, then place in the freezer overnight before use.

Can I cut the sheets to fit my cooler?
Yes, each sheet has seam technology so it can be trimmed to fit any size container without leaking.

How long will they stay cold?
They are designed to keep items cold up to 24 hours in an insulated container, though actual time varies with ambient temperature and cooler insulation.