This is a TAKARA product to warm your neck. It can be easily heated in the microwave. Use it for stiff shoulders, stiff necks, etc. Warming your neck can also help prevent colds, and it's also good when your throat is sore. Includes container and instructions. There is a crease at the bottom of the instructions. Reusable. Made in Japan. Warm & Cozy ♥ For Neck ★ Discount available if you don't need the box or container.