The To-Go Tumbler is great for enjoying your favourite tea while travelling in your car or at work. With a silicon lid and double wall insulation. Want a travel cup for your quality tea? The To-Go Tumbler is a fantastic choice! 300ml Double Layered Glass Tumbler with • Silicon Coffee cup lid • plus silicon wrap with anti-slip thin line. Both lid and anti-slip wrap are chocolate brown colour silicon. This tumbler fits in the drink holder in some cars and it’s great for using at work.