Pick up on some out of this world refreshment with quality drinkware from Maars. The Rollie tumbler is made of powder-coated vacuum-insulated 18/8 stainless steel to keep your favorite drinks hot for 12 hours or cold for as many as 24. Includes sliding, sip-through lid. Non-toxic and BPA-free. Select from 12 great colors and shades and add your school, sports team, organizational or company logo or message through our signature laser engraving method to customize.