PROTECTS YOUR LUNCH WHETHER YOU TAKE YOUR BREAK IN THE PARK OR ON THE SIDE OF A MOUNTAIN. This fresh-for-hours, easy-to-clean lunch box is your one-way ticket to packing a lunch you'll actually look forward to. It's packed to the gills with insulation power, engineered with a water-resistant exterior, and built with a rock-solid form factor so it holds its own when riding in backpacks and bags. Details Coldcell Flex Insulation: A lightweight, closed-cell foam offers the superior temperature-holding power to keep your lunch fresh. Food safe: From fresh fruits to subs, store it safely and clean it easily. YETI® Ice Sheet and YETI® Food Storage compatible: Perfectly fits your frozen YETI ®Ice Sheet and YETI ® Food Storage thanks to a wide-opening design. Internal PackAttic™ Pocket: Put everything in its place with an internal pocket that secures utensils and condiments against the lid. Daytrip™ Shoulder Strap compatible: Just hook it on and go hands-free.