The ultimate hydration station. This 32oz Baja Blue Hydrosphere has double walled vacuum insulation keeping your liquids safe and sound at the right temperature for longer: 24hrs Cold. 12hrs Hot. Designed for life on the move, this is a daily essential. ***NOTE: Be cautious when drinking hot beverages through the straw to prevent scalding. Do not use bleach or any other harsh chemicals.*** Stainless steel double wall vacuum insulated bottle BPA Free Double wall vacuum insulated bottle Mouth piece and metal straw 946ml / 32oz capacity 24hrs Cold 12hrs Hot Hand wash with warm water and mild detergent