Product Description: Size: One Size fits most adults. The Green Vel-Felt Derby from Beistle is the perfect way to show your Irish pride this St. Patrick's Day! This one size fits most hat is made from vel-felt fabric making it comfortable and stylish. Sold individually or as a case of 12 hats. The bright green color will put you in the festive spirit. Whether you're attending a party, or just want to add a touch of the holiday to your everyday look, this hat is perfect. The vel-felt derby is a lightweight and durable hat that is sure to last through many St. Patrick's Days to come. And with 12?áhats per case, you can be sure to have enough to share with all your friends. So, get your Green Vel-Felt Derby from Beistle and get ready to celebrate the luck of the Irish!