Beautiful Skulls with Flowers and Butterflies Travel Mug/Tumbler Capacity: 20oz (not vinyl or epoxy) comes with a lid and straw. Stainless Steel Double Wall Insulated hot/cold tumbler. High quality sublimation ink is used. This is a sublimated tumbler. Meaning special ink was used to create this design and press it into the tumbler. This is NOT vinyl and we do not use epoxy. The beauty of sublimation is the permanent ink aspect. It will never wash off, never fade, never peel. Everything is handmade so no 2 items will be exactly a like. Double wall insulated: the stainless steel tumblers is double-walled to keep drinks cool or warm for a long time, from the first refreshing sip to the very last drop, convenient to use in daily life IF YOU NEED MULTIPLE TUMBLERS I CAN MAKE MORE. DO NOT USE IN THE MICROWAVE!!