Double wall insulated tumbler with a secure twist on spill proof lid and ml capacity. Contains 25% plastic derived from sugar cane. This renewable source absorbs carbon dioxide whilst growing and is a by product of the sugar industry. The use of sugar cane means less oil is used in the manufacture of each tumbler. The tumbler is 100% recyclable and packed in a recycled PE plastic bag. Made in the UK. BPA free. 1 Compliant, dishwasher safe, and microwave safe.