Oven-safe Glass Food Storage Set helps optimize meal-prepping and portion-control needs this upcoming year to achieve nutrition and health goals. The containers have high-endurance to sudden temperature changes thanks to the BPA-free Borosilicate glass containers with polypropylene lids. Meanwhile, multiple sizes make it convenient for meal prepping individuals to portion control at night and take the containers on-the-go in the morning. FEATURES • MICROWAVE SAFE: Every borosilicate glass container is microwaveable safe apart from the snap locking lids. • OVENPROOF: Up to 450 degrees without a lid. • LOCKING AIRTIGHT LIDS- Meal prep containers come with sturdy plastic lids that lock onto the container- Leak and spill proof. • MEAL PREP & LUNCH CONTAINER: Great for all occasions- leftovers, school lunches, meal prep, and more. • VERSATILE: This set features vented clear lids with multi-color seals & a range of container sizes. *Plastic lids are not microwave safe*