The Woodounai anti-wrinkle drinking straw is designed to fit your lips horizontally, which eliminates the creasing of your lips when using the straw. Traditional straws require you to crease your lips to create suction, which can lead to the formation of wrinkles over time. Experience a totally different straw experience with the woodounai straw and notice how your lips maintain a stable position when using it. Package includes: 2 x reusable anti-wrinkle drinking straws. 1 x cleaning brush. The woodounai reusable glass straw is an excellent household product suitable for daily use and gatherings.