Abstract: A paper drinking straw is provided, including a main tube and a sub-tube. The main tube includes a first neck segment, and the sub-tube is movably sleeved with the main tube. The sub-tube includes a second neck segment and is movable in a stretching direction to increase a length of the fourth segment protruding beyond the main tube. When the sub-tube is moved to a predetermined position, the second neck segment is restricted to the first neck segment, and the sub-tube is unmovable in the stretching direction.
Abstract: A buffer packaging is provided. The buffer packaging includes a main body and at least one support plate. The main body is stretchable in a stretching direction and includes at least one receiving hole. The at least one support plate is connected with the main body and is swingable between a first position and a second position.