The drink lid is a one-piece lid designed for use with or without a straw; for hot or cold liquids.Make a large Quantity of your favourite drink then pour it into individual 8-470ml Jars and cover with regular drink or storage iLIDS.Store it in your fridge for grab and go convenience without the grab and go waste.Have you figured out that the regular mouth quart mason jar is the one that fits most standard countertop blenders.make your smoothie or shake in the mason jar, cover with the blender's blade apparatus and blend away.Then remove the blade and replace with a drink or storage iLID and you're on your way.If you're new to the idea that the mason jar fits on a blender, do a quick search on YouTube.