**A Prime Line® Exclusive!** • Stainless Steel (304 18/8) with Polypropylene Plasticscrew on/offtopgasket. • Designed for use withslimcans and bottlessuch as those forspiked seltzer and energy drinks (not designed for use as cup). • Vacuum insulation helps keepyour cans and bottles cooler longer. • Remove top lid gasket to insert can or bottle, and screw back on to secure in place. • Hand-wash only.