Manduka Round airCORE™ Bolster:Color&ndsh;Pulse The Round airCORE Bolster features a lighter weight form,firm cushion,and a machine washable microfiber cover that is velvety soft to the touch. Using airCORE technology,the bolster weighs significantly less than standard bolsters and retains shape and firmness. 4.5 lbs; 9” Diameter x 29” airCORE technology maintains bolster shape and prevents sagging or flattening airCORE technology reduces bolster weight by 30% when compared to other bolsters Proprietary construction wraps recycled PET with 100% cotton Ultra soft eQua microfiber cover is removable and machine washable Invisible zipper creates a virtually seamless smooth finish on all sides Convenient durable side strap for easy handling Unique zipper configuration with reinforced ends ensures safe outer cover removal Made in the USA