Dear welcome to our shop Shopping Tips： Shopping to need to fill in the full name of the buyer,the courier will check the buyers ,the goods will be delivered. Please cooperate with, I wish you a happy shopping. Product Name: memory foam pillow. Product Fabric: Bamboo fiber. Product Fill:Polyurethane. Product Size: 30*50cm,35*55cm,40*± 2cm Product Weight：0.5-0.9kg. Product details: about smell:Memory pillow made of polyether polyurethane,Polyurethane with a slight odor, coupled with the production and transportation process closed in the enclosed space, will gather the smell of polyether polyurethane. After a lot of authoritative institutions, this odor is harmless to the human , open the package and put it in a cool and ventilated place for a period of time (1-3 days). But do not shine in the sun, so doing will destroy the material structure of memory foam material, affecting the normal ：Molding process, inevitably, there are potholes is normal. If there is no potholes, Thats not the memory foam,is cut the sponge.