Titanic Rambler, Double Wall Vacuum Insulated Stainless Steel Tumbler Cups, Cooler Than Yeti, 30 oz, Setoff 2 Set of 2 ramblers and lids - one for your ice cold water and the other for your steamy hot coffee Tough technology & design - layered stainless with copper lining, made from premium grade 18/8 stainless steel the 30 oz. Titanic rambler cup Sweat proof- never sweats or transfers heat or cold temperatures, never leaves water rings on your desk or puddles in your car cup holder