All this Thumb Worry Stones for Anxiety comes in a company's beautiful velvet pouch, and 100 days full money back guarantee if you are not satisfy with the received stone. These stones are the perfect size to hold in your hand and each one has an indentation for your thumb. You can use thumb stones in lots of different ways - in crystal healing, to hold during meditation, carried with you or used as a worry stone. Worry stones (palm stones, thumb stones) are smooth, polished gemstones, usually in the shape of an oval with a thumb sized indentation, used for relaxation or anxiety relief by rubbing the stone or otherwise messing with it, it can provide some stress relief. Size of the thumb worry stone is 1.5" x 1.3" x 0.5" (38x34x13mm), and Weight is 0.044lb (20g). Black Tourmaline Thumb Worry Stone, made of real genuine natural healing crystals that helps in recover anxiety level for adults and even kids.