The Meinl Sonic Energy Crystal Singing Bowl Protective Sleeve Set is designed for use with the Meinl Singing Bowls. Containing six bags that keep the singing bowls stackable they offer protection from transportation scuffs and mishaps. Neoprene material is resistant to water oils and solvents offering comprehensive cover. The stackable feature then lets you carry the entire set in just two Meinl Sonic Energy Crystal Singing Bowl Bags.