LARGE CAPACITY 400mlcapacity design deliver your recommended daily water. Enough water for staying hydrated before and after workout, outdoor sports and hiking camping water supplement, greatly supply for daily home office and outdoor life. Borosilicate glass eco friendly material, safe food grade for daily water containing, odorless and nontoxic, reusable and durable for long time use, safety and health. Enjoy your modern with technology healthy life with 100% BPA-Free