Mobile Meditator Inflatable Meditation Cushion and Travel Pillow Three fully adjustable, inflatable chambers Mindfully designed to be comfortable and portable Adjust the center chamber for optimal spine support and pelvic tilt Adjust the two side chambers for hip and thigh support Maximum inflated size: 18" wide x 6" tall in the rear x 2" tall in the front (46 x 15 x 5cm)