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? Comments 0 comments Article is closed for comments.