Feature:1. Stress Relief: These worry stones can be easily placed in your palm, and there's a groove that fits your thumb, and rubbing the stone for pressure relief.2. 4 Pieces: 4 pieces of thumb worry stones are packed together, including rose quartz, amethyst, green aventurine and clear quartz.3. Exquisite Luster: These pocket thumb stones feature exquisite luster and glossy surface. Carry as an amulet in your pocket, purse or pouch.4. Wide Application: These palm worry stones are perfect for healing, positive energy, reiki, meditation, anxiety relief, peace of mind, massage and more.5. Perfect Gift: These pocket thumb stones with multifunction are perfect gift for your kids, friends and family.Specification:Item Type: Worry StonesMaterial: Rose Quartz, Amethyst, Green Aventurine and Clear QuartzApplication: Suitable for Stress Release, Gift Giving, Meditation and So OnProduct Size: Approx. 4.5 x 3.5cm / 1.77 x 1.38in ( Manual Measurement, Slight Error May Exist ).Package List:4 xWorry Stones