PetBird Xpress offers over 1,000 items including Multi-Cluster. Our Customer Care Representatives are standing by to help with your questions. We will ship your Multi-Cluster in 1 day. Count on dependable delivery and shipment tracking from UPS and Federal Express. You won't find any Private Label knock-offs at PetBird Xpress . Just branded items from manufacturers like PLANET. 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.