Twistable Water Cup

available here : https://amzn.to/3R0Eo6Y
CHENGNAN Twizz Coffee Cup Aperture Mug with Straw Double Silicone TikTok Leak Proof and Insulated Revolutionary Twist Plastic Travel Mug, Lidless

Here's some more info.
This is an anti-spill water cup with a unique design. It has an easy twistable method that closes off the top of the cup to prevent any liquid from spilling. Twist it back the other way to open it up again. This also works well with a straw.