ALUMINUM: Our tuning fork kit is made of aluminum alloy material for longer sound and perfect frequency. The non-magnetic, corrosion-resistant aluminum alloy construction makes the tuning fork not only but also more durable. Easy to store: Our tuning forks come with a sophisticated aluminum housing. After each use, the fork with the cloth provided and store it securely in the dry box to protect it from wear and tear from other sharp objects. Suitable for a of practices such as meditation, yoga, sound therapy, Reiki, stress and pain relief, and sound healing. Colour:Pink Material:Aluminum alloy Size:About 21.5cm Package Contents: 1 * 128hz Tuning Forks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.