20oz wine tumbler has adopted the double wall vacuum technology that could keep you cold and hot beverage for 6-12 hours.So you could always enjoy your favorite drink no matter hot summer or cold winter. The wide mouth design helps you to clean the cup more easily,just rinse with water.The surface is treated with a matte coating,which is easy to clean the stains on the cup body.It is not easy to fall off the paint and has a durable matte effect.
