PRODUCT RATING: 4 out of 5 (Blank: Not Rated). Click on this link to see more information, images, reviews by real users and alternatives:

Our zabuton is filled with natural kapok. The kapok is packed to provide solid support, and yet is soft and comfort. The outer cover is made of cotton twill fabric and has a zipper along one length so that it can be easily removed and washed. Inside the cover, the kapok is enclosed in a casing. Each zabuton is approximately 30" long by 28" wide and may fits people up to 5' 10" tall. Made in USA.
Date First Available ‏ : ‎ December 15, 2010
Manufacturer ‏ : ‎ ZafuStore
ASIN ‏ : ‎ B0047Q3SYS

Fill with natural kapok stuffing for soft and more resilient than cotton batting
Kapok are more environmentally friendly than cotton
Removable and washable cover
Approximately 30″ long and 28″ wide and may fits people up to 5′ 10″ tall
List Price: $74.95