10 books of 50 pet rocks rasta cardboard filters. perforated and wider filters. brand g-rollz material cardboard contents 10 booklet of 50 cardboard filters specificities 10 booklets 50 cardboard filters large pet rocks rasta 500 cardboard filters perforated: makes it easier to roll the filter format large: 2.7 cm wide design: pet rocks rasta dimensions filter length x width (cm) 6 x 2.7 cm