src/main/resources/assets/mekanism/recipes/balloon_11.json

{
  "result": {
    "item": "mekanism:balloon",
    "data": 11,
    "count": 2
  },
  "ingredients": [
    {
      "item": "minecraft:leather"
    },
    {
      "item": "minecraft:string"
    },
    {
      "ore": "dyeYellow",
      "type": "forge:ore_dict"
    }
  ],
  "type": "mekanism:ore_shapeless"
}