Airtight Seal: The airtight seal mechanism preserves the freshness and flavor of your food items, whether it's pasta, cereal, rice, or snacks. Keep your ingredients at their best for longer periods. Durable & Shatterproof: Built to withstand the demands of everyday use, these canisters are both durable and shatterproof. Rest assured, they can handle the rigors of a busy kitchen without breaking.