DescriptionMade of beautiful jade. Health ball is a traditional folk fitness equipment, hand movement,beneficial to brain, playing health ball, you can make people's thoughts focused on the hands, eliminate all kinds of distractions, to eliminate tension, so that our brain to relax.Suitable for adults, children, or people who need to exercise and restore hand function.Features-Color: Black -Material: Jade -Size: 3.50X3.50X3.50cm/ 1.38X1.38X1.38inches -Traditional hand balls: Baoding balls are traditional Chinese folk fitness equipment, which are good for hand movement and massages hands. -Natural material: Made of jade material, carefully shaped into a smooth round shape, it will not rust or lose its luster. -Wide application: Suitable for elder, adults, children, or people who need to exercise and restore hand function. -Multifunctional design: When not in use, it can be used as a delicate ornament to decorate your home. -Relax mind and body: When playing with beads, you can concentrate your mind, eliminate distractions, and relax your brain.