This set Features three different types of homes! 
 
If using Low fire - cone 04-06 or under cone 6 transfers cannot be left unglazed. Use glaze that best corresponds to your firing temp and ensure that the transfer is fully covered.
 
If using Mid - High fire- cone 6-10 transfers can be left unglazed. Use glaze that best corresponds to your firing temp where you wish. It is not necessary to cover the transfer at these temps.