Avanti Go Cup is made from hand-blown premium borosilicate glass, features a silicone thermal non-slip sleeve with a spill-proof ergonomic lid so you won't be bumping noses with your cup as you enjoy your drink. It's topped with a tab on the lid for easy removal, making clean up an effortless task. It is perfect for holding your takeaway coffee from the cafe while the premium borosilicate glass keeps your drink hot longer. Designed in a shape that fits most car cup holders. Heat resistant, non-toxic, microwave safe, dishwasher safe. Made from hand blown borosilicate glass and silicone Spill-proof press on lid with silicone seal Thermal non-slip insulated grip sleeve Flip top cap with silicone plug Heat resistant and fits most car cup holders