Stainless 25-Ounce/750ML Thermos Double Walled Vacuum Flask, Drink Bottle, Camping Bottle, Vacuum Flask, Drink Bottle, Camping Bottle, Outdoor Vacuum Bottle, Sports Travel Mug, Red 18/8 High Quality Food Grade 304 Stainless Steel material for inner and outer walls. The thermos water bottle keeps beverages hot or cold up to 24 hours. 750ML/25-Ounce capacity insulated water bottle. Convenient one hand opening. Flip-Open lid with lock prevents the lid from opening accidentally. Double wall vacuum insulation, Non-leaching and toxin-free.