This metal mug, designed for use with sublimation inks and transfers, is ready to be customized with a design of your choice. Perfect for use camping and outdoors, this mug will be a great gift to give to friends or keep for yourself to enjoy coffee or tea! Details: White 15.5 fl. oz. (458 mL) Wash before use. Hand wash only. Do not use in microwave. Iron, oil paint, stainless steel ring, and polyester coating Instructions: Heat Press: Pre-heat to 360°F (182°C) and press for 60 seconds. Sublimation Oven: Pre-heat to 356°F (180°C) and heat for 6 minutes. Do not exceed 400°F (204°C) Always reference manufacturer's instructions for recommended use, time, and temperatures for each time, and temperatures for each heating machine, as they could vary. Surface will be hot use protection when handling finished product.