These Kleen Chef Disposable Arm Sleeves with Elastic Ends are made of 18-inch Clear polyethylene, a type of plastic. They are designed to provide protection for arms and clothing against various risks and threats, such as water, dirt, debris, allergens, and poisonous plants. The elastic ends ensure a comfortable fit that secures the sleeves to the wrist and mid upper arm. These sleeves can be worn alone or in combination with other protective clothing.The sleeves are ambidextrous, meaning they can be worn from either end, facing either direction without any confusion or possibility of having put them on wrong. They are fast and easy to put on or take off, and are disposable for quick and convenient disposal after use.These disposable sleeves are suitable for a wide range of tasks and projects, including dishwashing, yard work, and protection for arms when dealing with skin irritants or poisonous plants. They are one size fits most, and can be comfortably worn by both men and women.