Elegant and Practical: These water bottles come with a matching color cap and rubber boot which gives them a highly stylish appearance. All-day Insulation: These stainless steel water bottles can keep your beverages cold for up to 24 hours or hot for 12, thanks to Hydrapeak's double-walled vacuum insulation. Easy Drinking: The newly designed Chug and Straw lid of our water bottles was made to give you easy access to beverages by providing a smooth and consistent drinking flow.