Knowhow is specialized in producing natural latex mattresses and pillows. With 11 years’ experience, Knowhow has been certified by ISo, SGS, TUV and a member of ISPA. We have researched a series of pillows according to customer requirements (including the shape, pillow outer cover, Care label, woven tag, PVC bag, and colorful paper box). Products from Knowhow are Eco-friendly and not harmful in any way.