Double walled Stainless steel 304# grade (18/8)|Vacuum insulated|Inner wall plated with copper for ultimate conductivity|Removable silicone base converts to a pet drinking bowl|Sweat / condensation proof coating|Twist on leak-proof, air tight lid with rubber grip|Spout with flip up / twist on cap for quick hydration|Large carry handle|BPA Free|12hrs for hot drinks|48hrs for cold drink|Supplied: in a po Ôdi fame kraft presentation box (14cm W x 30cm H x 14cm D)|(Warm hand wash only)