Jenaer Glas Hot 'n Cool Collection Double Wall Glass Pitcher, 25.4-Ounce Borosilicate glass double wall glass pitcher, 25.4 ounce capacity Insulating glass suitable for hot and cold beverages; silicone air vent ensures insulating effect No beading on the outside of the glass-improves hand grip; the pitcher measures 4.7-Inch wide by 11.6-Inch high Part of the hot n' cool collection: salads, soups and desserts presented in double-walled bowls and tumblers that seem to be floating Dishwasher and microwave safe; non porous glass surface for easy cleaning