What is the size of the Chiroflow Professional Waterbase pillow? Customer Service Desk August 06, 2019 14:40 Updated Follow The Chiroflow® pillow is a “Jumbo” size – it is 20″ x 28″ and will fit a standard or queen pillow case. Related articles What type of polyester filling is used in the Chiroflow pillow? Can the pillow be washed? How does the 30 day satisfaction guarantee work? Comments 0 comments Article is closed for comments.