RCS certified double walled copper vacuum insulated mug, constructed using 91% post-consumer recycled stainless steel that will keep drinks cold for at least 24 hours. Features a Tritan straw, and a lid slider function to prevent spills. The 100% recycled plastic press-on swivel lid securely holds the straw in place, and can easily be rotated to expose the drink opening. Durable exterior powder coating. Volume capacity: 1200 ml. Hand wash only.