ARCTIC ZONE INSULATED LUNCH BOX: Lunch pack features an expandable, insulated storage compartment with high density, thermal insulation to keep your lunch, snacks, and drinks cold and fresh at the office, or on the go LEAK PROOF LINING WITH MICROBAN PROTECTION: Ultra Safe leak proof* interior lining with Microban protection; Built-in protection helps prevent build-up of odors and stains; Makes lunch box easier to clean after work or picnics; *Zipper not leak proof ICE PACK AND FOOD CONTAINER INCLUDED: Lunch pack includes a two piece, leak proof food container and high performance ice pack for storing food and keeping it cold; Exterior accessory pocket provides extra storage VERSATILE CARRY: Carry lunch pack horizontally, vertically, over the shoulder, by the handles, or attached to a backpack or bag EXPANDABLE DESIGN: Conveniently stores lunch, snacks, sandwiches, water bottles, and more; Nearly doubles in capacity when expanded from 143 ounces to an expanded capacity of 270 ounces