Double-Walled Insulated HowlerCup! This innovative reusable tumbler is designed with an integrated horn inside, giving you the freedom to cheer as loudly as you please without worrying about spills.
The Howler is easy to clean and can be rinsed with warm soapy water.
DISCLAIMER: Hand-wash only and do NOT let lids soak, do not pour boiling water over them. Dishwashing the lids will cause hazing and cracking of the lids.
Do not freeze, do not microwave, do not bleach, do not overfill.
