Eliminate the use of single-use plastic bottles and straws with a travel tumbler built with sustainability in mind. Keep drinks cool/hot and join Care Bears with this Grumpy Bear travel tumbler. This double-wall vacuum insulated stainless steel water bottle keeps liquids hot up to 4 hours and cold up to 18 hours. With a generous 40-ounce capacity, these stainless steel tumblers with a handle and a straw are not just vessels for water – they are an expression of passion for the Care Bear Grumpy Bear character and will hold not only water but any favorite beverage.