Enjoy your favourite beverage on-the-go with the Avanti Glass Tumbler with Straw. Perfect for smoothies, juices, iced tea, water and more, the tumbler is made from borosilicate glass, so it won't leach, stain or smell. It features a silicone sleeve that protects the glass tumbler, provides a non-slip grip and reduces condensation. The stylish ethically sourced bamboo lid prevents spills and the silicone seal ensures it is splash proof. Wide mouth opening allows easy filling, ice cube insertion and cleaning.