The SEALED HUNGOVER AF Cooling Hangover & Headache Cap in Dark Green is a reusable and microwaveable hot/cold pack designed to relieve hangover and headache symptoms. The cap is branded as HUNGOVR and comes in a stylish green color, making it a great Mother’s Day gift for those in need of some relief. Perfect for providing both hot and cold therapy to help soothe and relax the mind and body.