Boon Decor's Rectangular Meditation Cushions are filled with domestic organic buckwheat in one side and kapok in the other. This is like having two types of cushions in a single Zafu. Approx 6 lbs. 18"W x 12"D x 8"H with Carry Handle Hand Silkscreen on Premium Silk Blend Fabric Zip off insert to adjust cushion firmness. Zip off cover for dry cleaning Best Quality Design and Craftsmanship by Boon Decor Meditation Cushion - Rectangular Zafu Buckwheat and Kapok Fill " Longevity" Dharma Key Magenta