This single layer lunchbox is a perfect size to slip into a backpack, purse or satchel. It has a silicone seal on the lid which helps to keep liquids inside. It's perfect for taking lunch or snacks to work or school. Perfect for when you want to pack some food and keep it safe. The Lunch box is made of food grade stainless steel and has a height of 6cm, a width of 12.1cm and a length of 17.5cm.