The Ibiza Bamboo - 650 ml Double-Wall Stainless Bottle can be used for hot and cold beverages, keeping drinks hot for up to 8 hours and cold for up to 24 hours. A wide spout makes for fast hydration while on the go. The bottle has an elegant matte finish. The bamboo lid is leakproof, and the bamboo bottom unscrews to make cleaning especially easy (hand wash only