These are dehydrated so no refrigeration is required and come in  5oz or 10oz bags (Sweet Potato Chips come in 3.5 or 7oz) They may be kept on the shelf for 1 to 2 months, in an air-tight container, in a cool, dry place. You may request certain cookies to not be dehydrated if you need a softer texture for your pup. All ingredients & health benefits are listed under each treat.