PREMIUM INSULATION: We added extra insulation to keep meals fresh longer our deluxe nylon EVA is ultrathick, nontoxic, and 100% foodgrade safe. LIGHTWEIGHT & COMFORTABLE: Designed with lightweight 600 Denier polyester plus an adjustable strap and multiple handle options for easy transport to school. ADJUSTABLE BUCKLE HANDLE: Attaches to any backpack or luggage for handsfree use. BRIGHT & PLAYFUL: Add a touch of fun and style to lunchtime with this colorful Spaceinspired lunch bag that perfectly matches our Bentgo Kids Prints lunch box.