For customers reordering custom made heavy base Whiskey Glasses or Pint Glass, were no artwork changes are required, Quantity may be set a zero so please reach out to us with a message and we will send you an invoice. All of our glass and crystal products are manufactured by sand-carving. Sand-carving involves using compressed air to force a stream of abrasive through a nozzle and onto the glass to etch or carve a design. Versatility and superior end results are the primary reasons for choosing this method for personalizing glass products. We utilize the same equipment that high end retailers; such as Williams Sonoma, use to monogram glass and crystal.