Keeps food fresh—Insulated inner layer maintains food temperature to keep food fresh. Our reusable sandwich bags hold sandwiches, snacks, utensils, teethers, pacifiers and more. Also great for adult snacks or travel. Premium food-safe lining protects food from direct contact with waterproof layer—A waterproof outer layer prevents leakage, while a food-safe, stain-resistant liner creates a barrier between the insulated PU layers, and baby’s food. Curved corners for easy cleaning—Perfectly fits sandwiches with curved corners so crumbs will not get trapped and is dishwasher safe and machine washable. Simply turn bags inside out for easy cleaning.