Motivational Design: Give you the motivation to reminding you stay hydrated and drink enough water throughout the day. Time & Capacity Markers: Great for measuring your daily intake of water, it's nice visually seeing you get closer to your goal and makes you want to reach it sooner. Silicone Straw: Features a pop-up silicone straw, protect your teeth. Wide Mouth: Wide-mouth opening designed makes the sports water bottle easy to fill with ice cubes and fruits. Convenient To Carry: Water bottle with strap is lightweight can be easily carried to outdoor activities. 1set*Sports Water Bottle