BPA FREE Made of food grade crystal polystyrene.Cigarette filters installation onto any cigarette to block/bar all tar and chemicals,effective flitering tar.Reduces most of the tar and nicotine in the cigarette smoke while you can still enjoy the full, unchanged flavor of your favorite cigarettesEvery single holder is suitable at most 3 cigarettes. Stop using before the tar leaking out. new and high quality and a healthy way to smoke cigarettes, reduce the risks of diseases brought by smoking.Compare with similar itemsAbout Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we'll make you feel satisfied.