Burns slowly and evenly Box contains 800 Pre-Rolled Cones Cone Length 98mm Filter Tip Length 26 mm Futurolas are pre-laminated handcrafted cones that use super-thin, unbleached rolling paper. Designed for maximum compatibility with the Futurola Knockbox + Standard Attachments . Burns slowly and evenly Box contains 800 Pre-Rolled Cones Cone Length 98mm Filter Tip Length 26 mm Futurolas are pre-laminated handcrafted cones that use super-thin, unbleached rolling paper. Designed for maximum compatibility with the Futurola Knockbox +