This hilarious design is perfect for double bass players or music lovers who want to show their love for this beautiful instrument. Ideal for classical and jazz musicians who are tired of the confusion between a cello and a double bass! Makes a great gift for music teachers, orchestra members, bassists, and lovers of string instruments. Perfect for birthdays, Christmas, or any occasion where humor and music come together. Get this music-themed shirt for your next concert or jam session! Dual wall insulated: keeps beverages hot or cold Stainless Steel, BPA Free Leak proof lid with clear slider