PetBird Xpress is your source for 6 All Natural Bird Toys items including Nature Cluster! Try emailing or calling us at 800-448-2014 - we'll do our best to answer your questions. We do stock Nature Cluster and they usually ship within 1 day. We work very hard to honor our shipping and delivery estimates! PetBird Xpress is your source for quality branded products from PLANET. We don't stock any inferior house brands. At PetBird Xpress, your satisfaction is our number 1 concern! We've been at it for over 15 years and we have satified thousands of customers like you.