Double-wall insulated tumbler. Volume capacity is 350 ml. This Americano Pure contains Biomaster antimicrobial technology. This provides protection against the growth of harmful micro-organisms on the surface of your mug. This is effective for the lifetime of the product, and doesn?t affect the recyclability of the mug. Made in the UK. Packed in a recycled PE plastic bag. BPA-free. EN12875-1 compliant, dishwasher safe, and microwave safe.