My 1st Onesie cake. This is made from a sheet cake, any size will work depending on how many you are wanting to feed. This is a yellow cake will butter cream icing. The lady that ordered this cake only wanted the baby's name on the cake with no other decorations. This Onesie matched the real Onesie that she bought for the baby to wear. This cake would be so cute for girls or boys and there are so many ways to decorate it. I can't wait to make another one.