The Brand New in Box Large ThunderShirt Classic Dog Anxiety Jacket in Gray is a high-quality pet shirt designed to provide comfort and relief for dogs weighing 41-64 lbs. Made from a soft cotton blend material, this jacket is suitable for all dog breeds and features a ThunderShirt design that is known for its effectiveness in reducing anxiety and stress. The gray color and dog-themed design add a stylish touch to this practical and comfortable pet clothing item. Made in Vietnam, this ThunderShirt is a must-have for any dog owner looking to help their furry friend feel calm and secure.