PureLunchBox Airtight Square is a practical lunch box made of food-grade stainless steel, with a silicone gasket at the edge of the lid. It closes that way tightly, but is not 100% waterproof. The lunch box fits perfectly in size for a meal — for example if you have lunch or dinner with you on the go The PureLunchBox Airtight Square is distinguished by its simple classic design and its durability. With the lunch box, you are sure to avoid endocrine disruptors and phthalates from plastic, and in addition, you have a lunch box that will last a lifetime and save the environment from a lot of unnecessary disposable packaging in the form of foils, tin foil, plastic bags and other disposable packaging. Material: Food grade stainless steel and silicone Dimensions: 155 x 155 x 70 mm. Volumen: 1150 ml Care instructions: The lunch box is dishwasher safe Free from: Endocrine disruptors, BPA, chemicals and heavy metals ISO certificates: ISO 4500109001 CQ1842 and 18001 CQPSA/OHS/1843