Will the Adjustable Base ship with my Helix Mattress? April 21, 2021 15:54 Updated The Adjustable Base will ship separately from the other items in your order. It will be delivered to you via FedEx Ground. Related articles Do I need to use the retainer bar that was provided? How do I use the Adjustable Base with a King or California King mattress? How many positions can the Adjustable Base move into? How much weight can be put on the Adjustable Base? Can I use a bed frame with my new Adjustable Base?