Our bamboo lunch boxes are perfect for storing hot and cold foods for lunch on the go plastic free. They are made from 45% bamboo, 30% corn, 25% melamine. The lid is 100% bamboo with an elastic strap closure. They are airtight when closed so no leakages! Dimensions: 11.5cm wide x 20cm long and 5.5cm tall. The base is dishwasher safe. Not recommended for microwave use.   Bamboo Care Instructions: The Bamboo lid should be hand-washed only to prevent fading. Dry lid immediately as bamboo is a natural raw material and this will prevent mould forming.