if(is.getType().equals(Material.POTION) && is.getDurability() != 9991){
                        PotionMeta pm = (PotionMeta) is.getItemMeta();
                        pm.setDisplayName(ChatColor.translateAlternateColorCodes('&', "&2Emerald Bottle                 (1)"));
                        ItemStack ebp = new ItemStack(Material.POTION, 1, (short) 10001);
                        ebp.setItemMeta(pm);
                        inventory.setResult(ebp);
                    }