Healthy Material & Mult-leakproofWater bottle with filter is made of Tritan, a food-grade material, BPA Free, safe for the body, and no chemical odors. Multiple Silicone seal ring and Lock to 100% leakproof, incredibly convenient. (Pop-open-lid designs, Push up to unlock and then click the button, the lid will automatically pop up.) Big Capacity to All-Day Hydrationlarge water bottles 1500ml/50 OZ can meet your daily water and fitness needs throughout the day. With multiple silicone seal rings and lock design can 100% leakproof. It is great for camping, hiking, outdoor sports, fitness, yoga, cycling, exercise, fishing, barbecue, or daily home use. Easy to Track and CarryBPA-Free water bottle with strap has the capacity scale and translucent bottle body, which can help you track your daily water intake and help you stay a healthy lifestyle. The wide and tough strap makes it easy to carry and hang, (you also can put it on your wrist making it easier to hold and access).