The Glass Vacuum Carafe was designed in cooperation with British designer, David Tonge, of The Division.Made in Japan, this new striking and unique decagonal shaped carafe features a high-quality medical-grade borosilicate glass vacuum liner which provides superior heat retention and repels odors and stains.• High quality vacuum glass liner with excellent heat retention• Stain and odor resistant glass interior• Easy-to-use large push button stopper• Durable and sturdy handle for easy serving• Heat Retention* : 151°F for 10 hrs. / 124°F for 24 hrs.• Cold Retention** : 46°F for 10 hrs.• Color : Silver (-SA) , Black (-BA), Red (-RA), Gold (-NA)• Replacement Liner Model : FTV-1000*Rating is based on water at a starting temperature of 203°F (95°C) at a room temperature of 68°F (20°C)