Buckwheat hulls are unmatched by any other filling when it comes to muscle support because of their firmness and flexibility. 
The outer cover is made of 100% organic cotton. The cover is removable as it has a zip and machine-washable which makes the cushion suitable to use outdoors like gardens...parks...wherever you want... 
The wide handle makes the meditation cushion practical for carrying it anywhere you like. 
The inner cover has a zip too. It could be used for removing the right amount of buckwheat hulls to make the meditation cushion more comfortable for you. 
 
Dimensions: 40 x 30 x 13 (cm)