Ninja's bestselling range includes this Thirsti water bottle which keeps drinks for up to eight hours and cold for up to 24 hours. It's currently reduced in the Amazon Prime Big Deals Days offer.
The straw is easy to drink from and verifiably leakproof ... The durable, 22-ounce Takeya Sport Premium Insulated Water Bottle, in particular, fits comfortably in hand and has a spout-style ...