Igloo® 00025076 Maxcold Ice Gel Pack. Plenty of cold without the mess. For busy days on the move, toss this reusable, non-toxic freezer gel pack in your lunch box and keep everything cold until you it. Non-toxic Ultratherm0 gel delivers extended cooling performance. Each reusable block contains 8oz of freezable gel. Soft pouch molds to fit items for better, more localized cooling. 3.5"L x .75"W x 5.5"H.