Packaged in a stunning Italian glass bottle corked with an exclusive blend of Kai’s home fragrance oil along with a set of patented high-performance reeds, the Kai reed diffuser will fill your surroundings with the aura of kai’s inimitable scent. The reeds are fast-wicking, easy to use, and provide a controlled, reliable rate of release of Kai’s signature fragrance that lasts four months of use. no “flipping” of the reeds is required.