reuseit Lightweight, collapsible, zip-top closure, EarthTote Insulated Shopping Bag, in Black Large size, with heavy duty straps and construction, is ideal for grocery shopping High-performance, lightweight and collapsible Unique zip-top closure for an extra-roomy interior, stands on its own for easy packing Keeps contents hot or cold for up to 3 hours Exterior made from Bluesign-certified recycled PET fabric