The Chemex Funnex Pour Over Coffee Dripper is a highly functional, unique and stylish coffee maker that is perfect for hand filter coffee brewing anywhere. The Funnex Dripper is made of double-walled borosilicate glass, giving you durability and better heat retention. The Funnex hand filter brews up to 450ml of your favorite filter coffee. The Chemex Funnex Coffee Dripper includes a silicone seal that fits all types of cups, mugs, coffee servers or thermoses so you can brew coffee anywhere and in any container. Chemex is known for making aesthetically pleasing, functional coffee makers- and has been since the release of the popular Chemex Brewer in 1941. The idea behind the Chemex Funnex is a solution for enjoying a Chemex coffee on the go. It is a travel-friendly and portable alternative for all Chemex- fans who don't want to miss out on a Chemex- coffee wherever they are.