Save:

PlayerPrefs.SetInt("CabinetCount", cabinets.Count);
for(int i = 0; i < cabinets.Count; i++)
{
PlayerPrefs.SetFloat(item.gameObject.name + i + "x", item.transform.position.x);
PlayerPrefs.SetFloat(item.gameObject.name + i + "y", item.transform.position.y);
PlayerPrefs.SetFloat(item.gameObject.name + i + "z", item.transform.position.z);
PlayerPrefs.SetFloat(item.gameObject.name + i + "rot_x", item.transform.rotation.x);
PlayerPrefs.SetFloat(item.gameObject.name + i + "rot_y", item.transform.rotation.y);
PlayerPrefs.SetFloat(item.gameObject.name + i + "rot_z", item.transform.rotation.z);
PlayerPrefs.SetInt(item.gameObject.name + i + "type", item.type);
PlayerPrefs.SetInt(item.gameObject.name + i + "level", item.level);
}

Load:

int count = PlayerPrefs.GetInt("CabinetCount");
for(int i = 0; i < count ; i++)
{
Vector3 pos = Vector3.zero;
Vector3 rot = Vector3.zero;
pos.x = PlayerPrefs.GetFloat("CabinetName" + i + "x");
pos.y = PlayerPrefs.GetFloat("CabinetName" + i + "y");
pos.z = PlayerPrefs.GetFloat("CabinetName" + i + "z");
rot.x = PlayerPrefs.GetFloat("CabinetName" + i + "rot_x");
rot.y = PlayerPrefs.GetFloat("CabinetName" + i + "rot_y");
rot.z = PlayerPrefs.GetFloat("CabinetName" + i + "rot_z");
int type = PlayerPrefs.GetInt("CabinetName" + i + "type");
int level = PlayerPrefs.GetInt("CabinetName" + i + "level");

GameObject go = Instantiate(CabinetPrefab, pos, rot, null);
CabinetScript cabScript = go.GetComponent<CabinetScript>();
cabScript.type = type;
cabScript.level = level;
}