The XXL-Oversized Oval Shape Basalt Massage Stone offers a cozy and relaxing massage experience and can be heated up to 113℉/45℃, providing the perfect warmth for your body. You can use it to warm up your stomach, haunch, or even as a soothing neck pillow. The rounded, narrower edges are perfect for targeting tense muscles and providing deep pressure release. Meanwhile, the flat part of the healing stone offers incredible support for the neck or can be smoothly applied to the abdomen or lumbar area. Crafted with care using traditional handcrafting methods, this luxurious reflexology stone is perfect for holding heat for extended periods. Rich with iron and magnesium, it offers a natural and soothing experience. Rest assured, no wax, dyestuff, or chemicals have been applied. With dimensions of 15 X 8.5 X 2.7cm, these pads are perfect for covering large areas of your body and come with 4 pieces. Plus, they have excellent heat preservation, so they stay nice and warm for longer. After heating to a cozy 60 °C/140℉, it takes a mere 40 minutes for them to cool down to a comfortable 37 °C/98℉.