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? Can I use a bed frame with my new Adjustable Base? Does the Adjustable Base include USB connections? What are the dimensions of the Adjustable Base? How long will it take for my order to arrive?