These Baby Blocks Plastic Freezer Storage Containers have airtight, watertight and leakproof seals for safe storage and spill-free outings. The containers fit into the freezing tray and multiple trays can be stacked in the freezer to save space. They have clear lids and bodies so you can see what's inside, and measurement markings to make portioning a breeze.

• Materials: plastic, silicone
• Airtight, watertight & leakproof
• Measurement markings
• Phthalate-, BPA- and PVC-free
• Dishwasher safe
• Microwave safe
• Freezer safe