100% Food Grade and BPA Free, US FDA Approved PET Material - Crafted with high-quality BPA-free,100% recyclable, and reusable. Free from harmful phthalates and toxins the containers are made with US FDA-approved PET material. Refrigerator and Freezer Safe - The containers are freezer safe the design of containers allows them to occupy less space and fit in the smallest place in the fridge or shelves and making them easy to carry. The product is heat resistant for up to -20 to 60 C. Heavy Duty and Unbreakable - Heavy gauge and heavy jar lid making it leak-proof. A wide mouth, tight-fitting lid, and compact body ensure ease in pouring liquids with no spills. The heavy-duty material makes it crack proof and dent proof. Patented Designs and Versatile Containers - Stylish designs that suit your needs with our painted designs by Steelo give the uniqueness you require. The containers are designed to make your life easier. Our airtight storage technology and food-grade material keep food fresh. These easily stackable airtight storage containers make space-saving possible Easy to Wash and Maintain - Containers with wide openings are easy to clean and maintain, use a mild detergent or dish wash liquid and clean on the inside with a brush.