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? Does Helix have a referral program? Can I use a bed frame with my new Adjustable Base? How many positions can the Adjustable Base move into? What are the dimensions of the Adjustable Base?