Portable Insulated Lunch Container Set Stackable Stainless Steel Food Container With Thermal Bag Upgrade Food Storage Container Boxes For School Work Picnic Travel Product Description: Container with Thermal Bag, Upgrade Food Storage Container Boxes for School Work Picnic Travel Specifications: Material：Stainless steel + Food-Grade PP Size: Small(420ml, 4.52×2.56 Inch) large (620ml, 4.52×3.54 Inch) Capacity: 14Oz/21Oz (420ml/620ml) The package includes: 1/3 Pcs portable insulated lunch container Service Description: If you have any questions or needs about our products, please feel to contact us. We will try our best to meet your requirements and solve your problems quickly and effectively 【Leakproof and Portable Design】Each lunch box is equipped with a sealing silicone ring with double insulation design to lock in food freshness, leak-proof and odor- proof,so please don't lose them.The top of the lid is designed with a permeability and a hidden handle that allows hot air to be expelled to open the lunch box at any time for easy portability. 【Superior Temperature Insulation】The vacuum insulation and insulated bag provide up to 3-4 hours of warm retention. nearly as long as others. NO more cold lunch. NO more microwave. The vacuum insulation provides the right temperature to keep food stay warm. 【 Material】Interior and exterior are made from high-quality stainless steel SS304. Lunch Bag is made of cloth. it can not enhance the insulation but also make it easier to be carried around. 【 Combination 】The stainless steel Insulated lunch box set adopts a stackable design, which can be freely combined and stored separately, preserving the original flavor of the food and making life more pleasant and refined. 【Multi-functional】You can bring hot food, such as fried rice, soup, pasta, together with cold food, such as , fruit, veggies or even . This set of lunch box will satisfy all your needs for lunch. You can bring it to work, school, gym, picnic, camping, etc.