Will the Adjustable Base ship with my Helix Mattress? August 12, 2020 14:06 The Adjustable Base ships via FedEx or UPS separately from other Helix Products. Related articles Do I need to use the retainer bar that was provided? How many positions can the Adjustable Base move into? How much weight can be put on the Adjustable Base? How do I cancel my order? What is Zero Gravity (ZG)?