Safe and harmful cigarette filters slide over any cigarette to block/remove any tar and chemicals, they will absorb nearly 90% of tar and reduce nicotine. Healthy smoking patterns reduce the risk of diseases caused by smoking. Reduce cough and shortness of breath, relieve sore throat. Keep teeth clean and reduce gum damage. Cigarette Harm Reduction Reduces most of the tar and nicotine in cigarette smoke while allowing you to enjoy the full, unaltered taste of your favorite cigarettes Since the method used is the mechanical purification of the fumes. The best gifts are comfortable in the mouth, and the food-grade plastic prevents finger discoloration. Enjoy your own smoking fun, a great gift for you and your friends Disposable mouthpiece quality. Polypropylene crystal and polypropylene plastic are safe for human health and harmless to the environment. This filter uses state-of-the-art filtration technology. Each filter element can retain a dry tar fume to protect the health of you and your family, environmental science. [Cigarette mouth size] Material: Plastic Size: a single length of about 3cm, a box diameter of about 8cm, a height of about 7cm, and an error of about 1cm Weight: 141g, suitable for general cigarettes. Each filter is suitable for 1-3 cigarettes. Stop using before the tar escapes. Keep away from children. Package includes: 200 cigarette filters.