Choice Leaf's Palm Leaf pre-rolled cones are natural leaf rolls that are individually handmade. An ideal substitute for adult smokers looking for an alternative from tobacco. Each medium pre-rolled cone holds up to 1 gram. Choice Leaf's Palm Leaf pre-rolled cones are natural leaf rolls that are individually handmade. An ideal substitute for adult smokers looking for an alternative from tobacco. Each medium pre-rolled cone holds up to 1 gram.