U shaped straws, a revolutionized bendable paper straws produced by RainbowBear, are developed to replace the plastic U shaped straws with huge potential in the market. They are designed to reach the bottom of a boxed drink. Usually they have one pointed end, which is used to pierce the entry point of the boxed drink and one rounded end which is placed in the mouth. RainbowBear can supply the U shape flexible paper straws with the ID3.8mm, and length from 150-180mm to different liquid box packaging. Both unwrapped and individually wrapped are available. They can be individually wrapped in a continuous paper wrapper, which can be attached to box automatically.