Cooler Shock 2.1 lbs. 2-Pack Gray Liquid Ice Pack in the Ice Packs department at Lowes.com
Cubix Ice Packs – Cubix Outdoors
Arctic Ice Alaskan Series Extra Large Cooler Pack (+33.8-Degrees F) 1206 - The Home Depot
EveryMarket
Kiinde Reusable Ice Pack
Amazon.com : Kona Blue Ice Pack for Coolers - Extreme Long Lasting (-5C) Gel, Just Add Water Before First Use - Refreezable, Reusable, (1) : Sports & Outdoors