OCB virgin perforated filter tips - Pack of 150 a strong, soft, reclosable pack, for making slim cigarettes. Perforated filter tips for easy rolling. Chlorine free premium white filter tips by OCB. The tip length of each filter is 15 mm. Authentic and without bleach virgin OCB perforated filter tips booklet. OCB virgin tip un bleached performance rolling paper filter. Virgin papers are fine, light, and feel soft to the touch too. The sizes Available are: single wide, 1 1/4, King size slim, and slim paper rolls. OCB calls the papers "virgin" Because they are natural and unbleached. As with the other types of rolling papers from this company, virgin papers are slow to burn, which will enhance your smoking experience. As they are not bleached, the papers are natural brown or tanned in colour no chlorine has been used to dye the paper fibers white.