Reed Vitalizer offers maintenance-free reed storage. The patented Humidipak technology uses two-way humidity control to keep your reed tips flat and prevent cracking and warping. Reed Vitalizer control packs will last 45-60 days. When the pack becomes hard, discard and replace with a new pack. The Reed Vitalizer kit includes 1 Refill and a heavy duty zip storage bag for your reeds•Stores reeds at ideal humidity levels•Self-regulates humidity with no maintenance •84%, 73%, & 58% humidity levels available•Reed tips stay flat•Reeds are ready to play.•"I have found the Reed Vitalizer system to be one of the best solutions to reed problems to appear in many years. Its simplicity and modest cost make it worth a try to solve your reed problems, as well."•The Clarinet, 2005At its San Fernando Valley facility, Rico has a state-of-the-art reed research center, and employs the collaboration of agronomists, scientists, and musicians to produce top-quality reeds that include Rico Reserve premium reeds for clarinet and saxophone. Rico reeds are designed to benefit all levels of musicians from the beginner to the seasoned professional. Many of the world"s finest clarinetists and saxophonists use Rico brand reeds, such as Anthony McGill, Mark Nuccio, Jessica Phillips, Jerry Bergonzi, Chris Potter, Benny Golson, Ernie Watts, Bob Sheppard, Walter Boeykens, Seiji Yokokawa, Philippe Geiss, Diastema Saxophone Quartet, and many more. For more information, visit RicoReeds.com