YETI ICE Cooler Ice Pack - 1lb YETI ICE Cooler Ice Pack is a tough ice substitute that provides superior ice retention. The custom shape of YETI ICE reduces freezing time. YETI ICE is perfect for lunch boxes, coolers and anywhere ice is needed.Stays Colder Longer: Chills ice and contents faster and helps keep ice colder, longerImpact Resistant - Designed to withstand the toughest of bumps, tumbles and thudsNo Messy Clean-Up - No puddles to drain, just toss it back in your freezerFreezes Faster - Custom shape helps freeze YETI ICE faster in your freezer