ROUGH STONE: Raw stone raw materials, can relieve stress and tension, balance feeling swings, and feel inner peace. MULTIPURPOSE: Each rough rock stone is irregular, unpolished and rough, and can be used for tumbling, fountain rocks, jewellery making, and decoration. WORRY STONE: Use the Worry Stone to relieve stress and calm yourself when you're stressed, meditating, before bed, walking, or during a difficult conversation. SPECIFICATIONS: Size is 3~5cm / 1.18~1.97 inches, 1 Set rough stones total weight is about 500g / 1.1lb. GOOD GIFT: The rough raw stones is an exceptional personal gift that can bring a lot of positive energy. Suitable for office, front door, living room, and bedside decoration.