PetBird Xpress is your source for Nature Cluster! Reach us via Skype if you would like some help with Nature Cluster or any of our other items. 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 proud to represent PLANET. We never sell unproven off-brand products. 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.