Serialize Variables from Items in an Array

Use a forloop and store each item, and save it in a file. You'll need a public [System.Serializable] class as well... better yet... Here's the sweet goodness code BOIYY!!!$$$. Feel free to ask me questions. I'll help you with integrating it into your setup/scripts. And just in case you need to save them in a file, I added that aswell. If you don't need to save them in a file, I will simplify it for you.

 public class loadSaveFunctions : MonoBehaviour
 {
     //===============================================
     //Item = your class && inventory == your array of that class
     //===============================================
     public List<Item> inventory;
     public int maxItems = 50;
 
     //===============================================
     //Below is, Saving each classes variables from the inventory array
     //into a file.
     //===============================================
     public void SaveSlotOne()
     {
         BinaryFormatter Ibf = new BinaryFormatter();
         FileStream file = File.Create(Application.persistentDataPath + "/Inventory1.dat");
 
         InventorySaver toSave = new InventorySaver();
         //Now loop, and save each item
         for (int i = 0; i < inventory.Count; i++)
         {
             if (inventory[i].itemName != null)
             {
                 toSave.saveitemName[i] = inventory[i].itemName;
                 toSave.saveitemID[i] = inventory[i].itemID;
                 toSave.saveitemDam[i] = inventory[i].itemDam;
             }
             if (i == maxItems)
             {
                 Ibf.Serialize(file, toSave);
                 file.Close();
                 break;
             }
         }
     }

     //===============================================
     //Below is, Loading each class variables from save file
     //into your inventory array.
     //===============================================
     private void LoadSlotOne()
     {
         if (File.Exists(Application.persistentDataPath + "/Inventory1.dat"))
         {
             BinaryFormatter bf = new BinaryFormatter();
             FileStream file = File.Open(Application.persistentDataPath + "/Inventory1.dat", FileMode.Open);
 
             InventorySaver toLoad = (InventorySaver)bf.Deserialize(file);
             file.Close();
             //Now loop, and load each item
             for (int i = 0; i < inventory.Count; i++)
             {
                 if (toLoad.saveitemName[i] != null)
                 {
                     inventory[i].itemName = toLoad.saveitemName[i];
                     inventory[i].itemID = toLoad.saveitemID[i];
                     inventory[i].itemDam = toLoad.saveitemDam[i];
                 }
 
                 if (i == maxItems)
                 {
                     break;
                 }
             }
         }
     }
 }

 //=====================================
 //Below is, The public serializable class I said to add
 //but NOT in Mono
 //=====================================

 [System.Serializable]
 public class InventorySaver
 {
     //size of array = maxItems
     public string[] saveitemName = new string[50];
     public int[] saveitemID = new int[50];
     public float[] saveitemDam = new float[50];
 }