The product lines specialize in producing slowly-resilient foam and the PU typical slow resilience series.The slowly-resilient foam is also called"NASA developed space memory foam" "Memory PU foam".It's a new item in the sponge family.The PU typical slowly-resilient memory foam pillow is made of international high-tech polyurethane and formed with the molding.According to Ergonomic contoured construction,with distinctive design make the sleep or travelling more comfortable and relaxing