• 18/8 food-grade brushed stainless steel
• Vacuum insulated for hot and cold drinks
• Original fluted design • Steel screw cap • Cork base
• New specification fits into bike cages and cup holders
• Safe, non-leaching and toxin free
• Durable and reusable
• 14 fl oz, 400ml
• 10% donation to Re-Cycle for every purchase.