Some peeling may happen from the corner of the design which is at the thick seam on the shoulder part of onesies or near the buttons, zippers, one reason of this problem is that the design did not get enough pressure when process heat transfer vinyl. To solve this problem, you will need a sublimation pressing pillow, insert a pillow inside or under the cloth, put vinyl on the front, those seams, zippers or buttons will be absorbed into pillow, then you will get evenly distribute pressure and heat transfer for HTV. You can also place one piece Teflon heat press sheet underneath to avoid burns and protect the workbench.