20 oz. double-wall Stainless Steel vacuum insulated bottle with Bamboo base accent panel. Stay on trend with this bamboo-wrapped tumbler. Wide-mouth for ice cubes and easy cleaning. Screw-on slide-lock lid with top carry handle. Designed for use with both hot and cold beverages; Will keep liquids hot for up to 10 hours, cold for up to 24 hours. Hand wash only. Do not place in freezer or microwave.