This Eternity Knot Meditation Singing Bowl is hand cast and made with a special four-metal alloy that produces a powerful harmonic resonance when rung. The singing bowl is is hand-tuned and has a unique sonic voice -print. Use this Infinity Knot meditation bowl for yoga, meditation,massage, body work or any other restorative modalities. Or simply use it for the fun! The Eternity Meditation Bowl comes in a red 3.5” square lokta paper box and a 2.75” diameter black bowl and a wooden striker.