Zig Zag Original Tip Filters are biodegradable and 100% Unbleached. At a width of 18mm, these tips feature perforated lines to make it easier to roll to your preferred size and shape. Just like all 50 Tips/Booklet 18mm x 60mm 100% Unbleached Biodegradable Vegan-Friendly GMO-Free Dye-Free Chlorine-Free