The Little Big Mouth 21oz Flag Smoke has an easy to grab, flexible, and ergonomic design and is also durable.Specialized's best-selling bottle, the Little Big Mouth 21oz is conveniently shaped and absolutely leak-proof.It has a tight-sealing Big Mouth screw top that's ultra-wide for adding things like ice or your hydration powder of choice. This piece also provides an incredible level of water flow that's up to 50% greater than the competition.Meanwhile, the bottle was given a flexible, ergonomic design that grips to cages and fits easily in the hand, while the bottle's construction is made from BPA-free plastic that's 100% FDA food-grade approved.Little Big Mouth 21oz Flag Smoke Highlights-Tight-sealing Big Mouth screw top is wide enough for ice cubes and powder drink mix ... More info