This is a set of 17 Piece Retangular containers ideal for storing snacks or spices in the kitchen. These containers are air-tight so that their contents stay fresh for a longer period of time. The containers are made of food grade virgin plastic so that they do not contaminate the food items inside. Also,they are transparent so it’s easy for you to see what’s inside. These containers sport a modular design so that they can be easily stacked one above the other. What’s more, they are microwave, freezer and dishwasher safe.