Double walled vacuum tumbler with convenient airtight screw top lid and 350ml capacity. Contains 25% plastic derived from sugar cane. This renewable source absorbs carbon dioxide during cultivation and is a staple product of the sugar industry. The use of sugar cane means less oil is used in the production of each tumbler. The tumbler is 100% recyclable and comes in a recycled PE bag. Made in the UK. BPA free. Complies with EN12875-1, dishwasher and microwave safe.