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, ResinLength: 11.5cm / 4.5inThickness: 1.0cm / 0.39inInner diameter: 0.78mm / 0.03inPackage List:1 x Filter Cigarette Holder6 x Smoke Core1 x MouthpiecesNote: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.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. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!