AIRTIGHT LID DESIGN: Our lids have a thick silicone sealing ring, which makes pasta storage airtight. They can keep your food dry and fresh and protect your food. SAFE AND CLEAR MATERIAL: The spaghetti storage containers are made of high quality food grade plastic, so you can see the food more clearly. The spaghetti pot sets are BPA free and do not contain harmful substances. STACKABLE AND SPACE SAVING: These pasta containers are rectangular, specially designed to save space. They are stackable and fit easily in your fridge and cupboard, helping you organize the kitchen and free up pantry space. HUMANIZED LID DESIGN: The lid has a mechanism special seal, you can safely open or close our plastic containers using just two fingers. You can flip the ring up to open it, or you can flip the ring down to lock and seal. STURDY AND DURABLE: We've improved the containers so pasta storage containers with lids no longer break easily. They are more robust and durable.