MOTIVATIONAL TIMING MARKERS AND CAPACITY TIMING MARKERS: This water bottle features motivational time markers and capacity markings that will always remind you to take the right amount of water to keep you hydrated throughout the day. This product is a must have for any athletic goals including weight loss, fitness and running.DOUBLE LEAK PROOF AND ONE CLICK OPEN: Sports water bottles feature a convenient flip cap with a leak-proof seal and medical grade silicone sealing ring to prevent leaks and spills.  Simply open the spout with just one hand allowing you to enjoy spill-proof drinking at work or when playing sports.BPA FREE & NON-TOXIC MATERIAL: The sports water bottle is made of high quality eco-friendly material, leak-proof and reusable, environmentally friendly and no strange odors, 100% BPA-free and healthy drink bottle for your daily water drinking, no need to worry about your health.PORTABLE AND WIDELY USE: With a durable, light and portable nylon strap, you can easily carry your reusable water bottle to anywhere you want.  Great for putting in car cup holders, drink crates, bicycles, side pockets of backpacks and children's school bags.  The unique non-slip hand pattern design makes it easy to hold and looks very fashionable.Not dishwasher safe.SAFE AND ECO-FRIENDLY MATERIAL: Lightweight and durable drinking bottle is completely reusable and is the best alternative to disposable bottles.With frequent daily use, you can not only contribute to environmental protection, but also save money. Made of food grade polycarbonate.  It contains no weird scents or harmful chemicals like BPA, which makes it even safer to use as a baby water bottle.High-quality gradient color design to give people a visual impact, one-button rebound switch, which is more convenient to use.Open with one hand, the wide mouth opening makes it easy to fill with ice cubes and clean. It is the perfect companion for all recreational and sporting activities.