2 Pack Betty Boba TumblersSave $10 when you get 2 tumblers! One for home, and one for on the go. Each complete plastic free set comes with the glass jar that keeps your drinks cool (or warm), a patent pending ceramic lid with a silicon plug, a glass boba straw that makes everything taste better, and a large straw cleaning brush, all designed perfectly for each other. Each piece is dishwasher safe for easy care.