The north ridge canyon duo flow is the perfect way to stay hydrated on the go. Made from durable yet lightweight stainless steel, this portable flask can keep drinks cold for up to 12 hours, hot for 6 hours, and iced for 3 hours. Complete with a fold away carry handle and dual position lid with multiple ways to take a sip on the move.double wall vacuum insulation keeps drinks at desired temperature12 hours cold 3 hours iced 6 hours hotdual position lid with straw and spoutstainless steel constructionleakprooffold away carry handlelightweightbpa freecapacity 0.9l 31.6ozdimensions 10.3 x 10.3 x 24.8 cmweight 429gcolour dark grey