Stainless steel, silicone; A 1 litre / 34 fl oz stainless steel lunch box that is the first one on the market due to having a secure vacuum-sealed closure; 100% leakproof; oven and freezer safe; includes fork and adjustable internal divider; plastic free; high quality stainless steel; Product Size: 5.9"" w x 7.9"" l x 2.6"" d; packaged in Black+Blum retail gift box; With every purchase you make, as part of our commitment to the 1% for the Planet charity, we contribute 1% of the sale entirely towards fighting food waste.