Paper drinking straws are made of FDA approved paper material and food grade ink, non-toxic and odor-free. It is environment-friendly and will not do harm to your health. Good idea to decorate cakes, birthday parties, baby showers, graduation celebrations, wedding receptions, picnics, bridal showers and many more. Will fit perfectly in a mason jar glass or any cup , and can hold up great and will not fall apart or melt in liquid for an extended period of time.