The yellow caps indicate that the soda is kosher, or fit, to drink on the Jewish holiday of Passover. It's made with sucrose ...

LED technology automatically sanitizes the bottle every two hours, or whenever you push the cap button. The LARQ PureVis 2 is another self-cleaning water bottle. The company says the plant-based ...

In addition to the yellow cap, the bottle has a Passover certification symbol. The Hechsher, or the Ⓤ marking on many common food items, is a signifier that the food is certified kosher.