The mini lunch box built tough to keep the cold on the longest treks. The fresh-for-hours lunch box that outlasts the longest lunch break. Packed to the gills with insulation power and engineered with food safe material, the Daytrip(R) Lunch Box stores anything on the menu and keeps it at the perfect temp. COLDCELL FLEX(TM) 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(R) ICE SHEET and FOOD STORAGE COMPATIBLE: Perfectly fits your frozen YETI(R) ICE SHEET and YETI(R) Food Storage to maximize cooler space DAYTRIP(TM) SHOULDER STRAP COMPATIBLE: Just hook it on to go hands-free INTERNAL PACKATTIC(TM) POCKET: Pack everything in its place with an internal pocket that secures utensils and condiments against the lid