LANGRIA Cooling Gel Memory Foam Pillow, Reversible Soft Cool Pad with Zippered Mesh Fabric Cover, Ergonomic Design, CertiPUR-US Certified, (23.6 x 15.7 x 4.7 inches) White and Blue DUAL USE: with a cooling gel pad on one of the sides of the pillow and the foam on the other side, you will be able to use the pillow all year, taking advantage of the cooling gel on summer and using the warmer foam side on winter COOLING GEL PAD: the specifically engineered gel helps to eliminate hot flashes and disperse body heat while sleeping, providing deeper sleep after a whole days work ZIPPERED COVER: the soft and breathable mesh fabric cover comes with a zipper to easily detach it from the pillow for a more convenient washing QUALITY MATERIALS: this medium size pillow is made with high-quality memory foam to mold the shape of your body and help you sleep in a better position to release your neck from the accumulated tension from your daily life. NO CHEMICALS: the pillow has the CertiPUR-US certificate for safe materials, environmentally-friendly and high performance. Its free from harmful chemicals with less than 0.5 parts/million VOC emission