4-PACK FOOD GRADE GLASS BABY FOOD CONTAINERS 1. Made of food grade THERMAL RESISTANT TOUGHENED GLASS which is highly resistant to electric and thermal shock (can be boiling sterilized, zer & oven safe); also known to be chemically stable. 2. Glass containers contain no harmful chemicals and do not absorb colors or food odors, NO PLASTIC TASTE leaching into your baby's food (penetration of toxic substance leads to plastic taste). 3. CPC Food Grade. 4. Wide mouth design is easier to clean and use. 5-IN-1 Glass Containers For Portioning, Storing, zing, Heating Serving & Feeding Baby Food 1. The 4 containers fit into the zing tray and each has measurement markings to make portioning a snap. 2. Put homemade baby food into the containers, ze them, then pop one into your bag for simple defrosting and feeding when you’re out and about. 3. The seal lid with easy-open, easy-shut design keeps frozen baby food fresh longer, as well as making the containers a care choice. LEAKPROOF AND EASY TO CLEAN 1. The easy-open, easy-shut lid and silicone gasket are specially designed to prevent the container from leaking. I for zing, storing, travel, flights and camping. 2. Clearly marked measurement for each container and feeding, not easy to be washed off. 3. Not only is glass container healthier for baby to eat from, but also it is much easier to clean than plastic because the glass container is less likely to develop scratches that hold on to residue and odors. SAFEST & PUREST HIGH QUALITY BUILT 1. Matyz products are CUSTOM MADE with the safest and purest raw material available. 2. The containers are made of food-grade thermal resistant toughened glass, complying with CPC safety rules and US Food Grade requirements.