Provide interesting drinking to your kinds with the Your Zone 40 fl oz Double Wall Stainless Steel Tumbler. This 40 Fluid Ounces bottle can keep your hot water or ice cubes without getting the temperature changed. It is made of high-grade stainless steel which will make you use it with confidence. The double-walled Bottle is BPA-free which means it has a high quality. Choose the nice Your Zone bottle, drink happliy water.