10 Pack 20 oz Sublimation White Beer Tumbler Blanks, 2 Layer Stainless Steel Insulated Vacuum Travel Cup with Sliding Drinking Lid and Plastic Straw. Specifications: Material: Inner and outer 304 food Stainless Steel Capacity: 20oz Color: White with sublimation coating Quantity: 10pcs /carton Weight: 4kgs (8.8lbs) / carton Dimension:47 x 20 x 21cm (18.5in x 7.9in x 8.3in) / carton Cleaning Instructions: Not recommended for dishwashers, hand wash only. Heating Temperature: 165~170℃ (329℉~338℉) for 6 minutes sublimation oven. Remarks: 1. Remove the plastic insert lid and straw. 2. Design your image and print it out on sublimation paper with Sublimation ink printer. 3. Tape imaged sublimation paper onto tumbler. 4. Place and center the product inside the shrink film / sleeve. 5. Use heat gun on low setting to shrink the wrap to the contour of the product. Begin with the side away from the transfer first. Ensure the wrap only encases the sides of the product leaving top and bottom open. 6. Repeat above steps for each item to include in production run. 7. Set the convection oven at 165~170℃ (329℉~338℉) for 6 minutes. 8. Ensure convection oven has reached temperature, place the tumblers in the preheated oven. 9. Close Convection oven 10. Once curing is done, open convection oven, and take the tumbler out of the oven. Use gloves or heat resistant cloth to handle the hot tumbler. 11. Peel sublimation paper and shrink film off and leave it to cool off completely. Caution: Tumbler is extremely hot when in the mug press, do not handle with bare hands. Note: Temperature and time settings are only a guide. Because not all ovens are created equally the dwell time in an oven can range. Convection oven is recommended. Settings will vary depending on the oven brand and model ink and paper and atmospheric conditions.