1. It is natural health pillow 2. It contains treated silkworm sand 1. The outer fabric material is cotton, other fabric materials such as linen are available. 2. The lining fabric material is some special non-woven material, this kind of material can stop micro-things, such as acarid. 3. Size is 21" x 14", other sizes are available. 4. Other colors are available. 5. Packing: vacuum.

Silkworm Pillow