Brand new and high quality. Polypropylene crystal and polypropylene plastics are %100 safe for human health, it also is enviromental friendly. filters use the most advanced filtering technology. Every filter may holdback 25.7mg dry tar for one piece of smoke, protecting your and you family's health, a healthy somking environmental science.The length is 3cm/1.2" and the diameter is 1cm/0.4", suitable for general cigarette. Each filter is good for 1 to 3 cigarettes. Stop using before the tar leaking out. Away from children. Package included: 100 pcs cigarette filter tip.Cigarette filters slide onto any cigarette to block/bar all tar and chemicals, it will absorb almost 90% of the tar and reduces nicotine. Healthy way to smoke cigarettes, reduce the risks of diseases brought by smoking. Reduces coughing and shortness of breath, relieves sore throat. Keeps teeth clean! Lessens damage to the gums.reduces most of the tar and nicotine in the cigarette smoke while you can still enjoy the full, unchanged flavor of your favorite cigarettes! Since the method used is mechanical smoke purification.filter stay in mouth comfortably and food grade plastics prevents your fingers from getting discolored. Enjoy smoking by yourself and a good gift for you and your friends.