Features 1、Made of high quality material, environmental-friendly, durable to use. 2、Compact size and light weight, convenient to carry and use. 3、Easy to clean, you can use water or paper wash it. 4、It can effectively filter the tar, nicotine and carbolic acid in smoke, reducing the damage of smoking your body. 5、Effective remission of phlegm and shortness of breath caused by smoking, significantly reducing the amount of smoke in the teeth. Specification Features: Made of high quality material, environmental-friendly, durable to use. Compact size and light weight, convenient to carry and use. Easy to clean, you can use water or paper wash it. It can effectively filter the tar, nicotine and carbolic acid in smoke, reducing the damage of smoking your body. Effective remission of phlegm and shortness of breath caused by smoking, significantly reducing the amount of smoke in the teeth. Specification: Material: Metal, Resin Length: 11.5cm / 4.5in Thickness: 1.0cm / 0.39in Inner diameter: 0.78mm / 0.03in Package List: 1 x Filter Cigarette Holder 6 x Smoke Core 1 x Mouthpieces Package List