The latex pillow is made from 100% natural rubber with softness and smoothness. The unique feature of this type of rubber is that the inner pillow has thousands of tiny hollow cavities that allow the air to circulate easily. The pillowcase is made of a total new 3D fabric. The yarn is woven from 100% cotton fiber which is very well absorbed and the openings of 3D fabric help keep the mattress in airy mood. It assumes the mattress is always ventilated without causing heat.