If you would like your 3d Printed item to have a gloss to it, be UV, scratch, and heat resistant, food safe, and water resistant, you can tip for this add-on for each item you want it added to. Processing of the printed item will take 2-3 days longer before shipment as the resin has to cure. Another important bit of information is the resin does not reach full strength for 21 days, so keep that in mind. It will automatically be added to items designed to be in contact with food or where necessary and those items will have the coating included in their pricing. ** This resin will NOT make an item microwave/oven/dishwasher safe. It just raises the max temp the item can ✱✱✱✱✱✱ by a little bit ✱✱✱✱✱✱✱✱✱✱✱. ** You MUST purchase at least One 3d printed item before you can purchase this add-on.