A 32 oz Wide Mouth water bottle —easy to fill, easy to drink. Open it up, add your ice, and sip. The insulated stainless steel keeps it cold for up to 24 hours. Double-wall vacuum insulation keeps contents cold up to 24 hours Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Wide Mouth opening is ice-cube friendly Hand wash, not dishwasher safe Not for use on a stove, in a microwave or freezer