Mini, but still mighty cool. Thanks to PackIts patented freezable gel-liner you can keep your snacks cool - for up to 10 hours! Product Material: Non Toxic Poly Canvas, Waterproof EVAProduct Weight: 1.50 lbs. The Mini Cooler is the smaller version of the classic Personal Cooler Compact size allows the Mini Cooler to easily fit into book bags, backpacks or briefcasesPerfectly sized for a whole sandwich, snacks, or sliced fruit or cheesePatented eco-gel built permanently into the liner, eliminating the need ...