The Hot Cherry Square Pillow in Natural–dyed Red Denim. Minimally packaged in twine wrap, measures 10.5" x 10.5" Use hot or cold, microwavable, completely machine washable. The square is one of the most versatile designs because it molds around joints like elbows and knees. It’s perfect for tummy aches and cramps. Great for getting kids to jump into bed with a warm pillow to cuddle. When heated, it smells subtly like cherry pie! Customers love it. It's our most popular pillow!