When it’s not possible to block all dampness or oxygen from being present in the offer before sealing, desiccant packs might help mitigate the effects by absorbing moisture and oxygen. From mayo and ketchup to very hot soups and sauces with particulates, liquids is often messy to deal with, https://www.linpack.com/news/precision-in-every-pour-innovative-packaging-for-sauces-liquids