Denicotea Denitip Cigarette Holder is roughly 50 mm long. It's a particularly short and therefore unobtrusive cigarette holder which has an integrated silica gel filter built right into it. The integrated filter consists of a silica gel filter that can be used for 10 to 15 cigarettes. Due to the highly porous structure of the silica gel and its ability to absorb, denitips can reduce nicotine and condensate by about 33% without changing the taste. It's small, compact design is perfect for those that have an active lifestyle, or for those that just want a fresh, new device instead of having to deal with changing filters or cleaning the holder. Denitip is small, lightweight and uncomplicated and they come in boxes of 6 tips. That is good for 60-90 cigarettes.