Extremus ICY Hollow Ice Packs for Lunch Bags,Reusable Ice Pack for Cooler,Long-Lasting Slim Lightweight Freezer Ice Pack for Lunch Box

Features Long-Lasting Reusable Cooling: The Extremus Icy Hollow Ice Packs are scientifically formulated with a premium cooling gel to keep your food items fresh all day long.

Simply place in a freezer for 4-6 hours and the ice packs can retain coldness for up to 6-12 hours.

No more filling a cooler with ice and dealing with melted water leakage.

These ice packs are slim and lightweight and can make a great ice substitute to keep your food and drinks cooler and fresher.

100% BPA-Free and Food-Grade Durable: These ice packs for cooler are made with 100% BBA-free,food-grade HDPE material, to ensure the safety of your food and drinks.

The thick HDPE material can withstand up to 175lbs of pressure, built to withstand the extreme elements.

And the ice packs for cooler are specially designed with a flexible concave-convex physical structure on the surface that always keeps its expansion rate under 15% and prevents over-inflating when frozen solid.

Double-Seal Protection: These cooler ice packs contain a double-seal protective lid design with an inner sealed cover and an outer twist-off lid..

The inside cover is ultrasonically welded to effectively seal the cooling gel inside.

The outside lid is removable by firmly twisting the lid on or off by hand.

This double-seal technology guarantees the inner cooling liquid remains sealed safely inside the ice pack.

3 Convenient Sizes: The Extremus ice packs for lunch box are available in three convenient sizes to make storing easy: ice bar, ultra slim, and big chill.