Supersized Warmies are super cuddly, super fun and the biggest Warmies ever. Supersized Cat Warmie features a removable heat pack that offers an extra element of warming or cooling ease. These cuties have many uses - a toasty hand warmer by day, a huggable pillow by night, and an all around perfect cuddle buddy. Simply microwave the heat pack for 30 seconds to provide hours of soothing warmth and comfort.