Sippy tumbler for sublimation. Glossy white. Includes 2 lids for increased versatility. Sippy cup lid with curved handles and slider lid. Both lids are screw on style. Includes plastic straw.  Shiny white sublimation coating that produces vibrant colors. For use in a mug press or convection oven. Convection oven requires the use of shrink wrap to apply pressure during baking, sold separately, and accessories such as rubber bottoms are also available in a separate listing.   ***Convection Oven Directions*** PLEASE NOTE: equipment varies and so may your required settings. Please test your own equipment using these baseline recommendations.   Apply sublimation transfer on the surface of the tumbler using heat tape.