PREMIUM QUALITY - FOOD GRADE : This food prep containers set is made of 18/8 stainless steel, with anti-corrosion, rust-proof performance, which ensures long-term safe use. - This stainless steel food containers are more sturdy durable than plastic & glass food storage containers. They are completely safe for the environment and all members of our family. 100% LEAK PROOF - AIR TIGHT – BPA-FREE : The upgraded snap-on lids with a silicone sealing ring are better to preserve freshness and prevent food from leaking and spilling. - The premium quality plastic is crystal clear to identify your food easily. - The BPA-free and reusable material assures you a healthy food mile away from toxins and impurities. DISHWASHER - FREEZER SAFE : The easy-to-go silicon ring below the lid is easy to remove for cleaning. - Our containers are finished by mirror polished, which made the containers reduce the risk of food sticking. Being dishwasher safe they are easily washable for saving your time and effort. SPACE SAVER - PERFECT MEAL PREP :These food containers are easily stackable into kitchen cabinet, fridge or pantry organizer and perfect for storing leftovers or planning ahead with your weekly meal prep. - It fits easily in a lunchbox & lunch bag works great as meal prep container & lunch box. - And Perfect for outdoors lunches, take a big salad, a hearty sandwich, some nuts, fruits.