The Helinox Air & Foam Headrest is designed to be comfy and compatible with a number of their camp-chairs. The headrest is inflatable and is reinforced with foam for extra support. This add-on can be attached to a Chair Two, Beach Chair, Sunset Chair, Savanna Chair, or Playa Chair. Features of the Helinox Air and Foam Headrest Takes the relaxation of your favorite Helinox chair to another level Inflatable pillow with foam reinforcement Attaches to the backrest of your chair Compatible with Helinox Chair Two, Beach Chair, Sunset Chair, Savanna Chair or Playa Chair for the ultimate comfort add-on.