This 20oz Skinny Straight Tumbler is a must-have for any Boston Red Sox fan. It features a sleek design that is perfect for on-the-go and fits comfortably in most cup holders. The tumbler is double-walled and vacuum insulated to keep your drinks cold for up to 24 hours or hot for up to 12 hours. The clear lid comes with a clear straw for easy sipping and the tumbler is BPA-free for your peace of mind. Show off your love for the Red Sox while keeping your drinks at the perfect temperature with this stylish tumbler.