The vacuum insulation and insulated bag provide up to 4 full hours of warm retention, nearly twice as long as others. No more cold lunch. No more microwave. The vacuum insulation provides the right temperature to keep food stay warm and healthy. Convenient for you to enjoy tasty homemade food at school or at work.

• Heavy-duty silicone seals between each insulated compartment to lock in freshness, leaks, and odors. Please be aware that the coupling between layers is tight to prevent leaks and spills. And please don't lose the silicone valve on the bottom of each layer which will keep it leakproof.
• The Interior and exterior are made from high-quality food-grade stainless steel SS304, which will never rust and is naturally BPA-free.

Specifications:
Material: high quality 304 stainless steel PU foam acrylic
Capacity: 1140ml/1020ml
Insulation time: 4-6 hours

What's in The Box:
Please see the images for reference.