About this item ?Convenient & Reusable Food Prep Containers: Prep your meals and keep’em fresh in freezer, take out to workplace and reheat in microwave oven, pack the leftovers, clean with dishwasher and reuse later. If you don’t feel like washing the containers, it’s ok to dispose of them as they are 100% recyclable ? Microwavable Freezer Safe: the food containers can withstand temperature range from -20°C to +120°C, ideal for both food storage in freezer and heating in microwave. Since the containers get harder after frozen, you’d better place the containers on countertop for 3-5 minutes before opening because the lids are more easily breaking when just taken out of fridge ?Upgraded Bento Boxs: Our meal prep containers are made of BPA-free polypropylene (PP), a safe food-grade material accepted worldwide, which doesn’t produce harmful chemicals trough freezing and heating like cheaper polystyrene (PS) plastic food containers do. Prepare your healthy meal plans for the week ahead with DMH food prep containers and achieve your nutritional goals ?10 PACK 33oz Meal Prep Set: Conveniently stackable meal prep containers with lids made with a durable plastic construction (32 ounce). Great for household, to go boxes, markets, restaurants, fast food shops, food truck, small business owners who provide food service for a living, etc ?100% SATISFACTION AND GUARANTEE: We attach great importance to the happiness of our customers. Therefore, we provide a 100% satisfaction guarantee for meal prep containers. Please feel free to contact us if the meal prep containers you received was breaken and other questions of our products and services