• COLDCELL FLEX™ INSULATION: A lightweight, closed-cell foam offers the superior temperature-holding power to keep your lunch fresh for the day. • FOOD SAFE: From fresh fruits to subs, store it safely and clean it easily. • YETI® ICE SHEET and FOOD STORAGE COMPATIBLE: Perfectly fits your frozen YETI® ICE SHEET and YETI® Food Storage to maximize cooler space. • MAGSNAP™ CLOSURE: Opens easily for quick access, snaps closed to lock in the cold. • DAYTRIPTM SHOULDER STRAP COMPATIBLE: Just hook it on to go hands-free.