Vacuum flask for competition use that offers high flow technology and unmatched thermal efficiency: it keeps beverages hot and cold for up to 12 hours. It is made of AISI304 stainless steel which is tough, attractive and hygienic, featuring vacuum insulation. It is perfectly compatible with most bottle cages available on the market and ideal also for outdoor use. A leisure cap is included. Diameter: 74 mm. Volume: 550 ml.