Product dimensions are 40 x 75 cm. it is the price of 1 product. the feature of flexible pu visco material is that it has open cell elasticity that provides air permeability and is light. visco planet visco therapy king size medical pillows take the shape of the head and neck region with their heat sensitive structure and adapt to the body. it is produced from 100% microfiber cotton poly-cotton knitted fabric with open cell technology, lint-proof finish, high technology (down proof) method and 50 dns visco standard. visco planet® visco therapy king size neck pillow eliminates neck, back and waist problems caused by the wrong pillow. specially designed thanks to its size and dimensions, it appeals to those who prefer high comfort during sleep. the viscoelastic sponge can provide resistance against dust mites due to its nature, so this pillow is recommended for people with allergies. heat and moisture management – the heat-regulating micro-capsules in the special thermal cover and the ventilation channels processed into the pillow are the best. proper ventilation and an ideal temperature provides the recommendation. this means less sweating and chills during sleep. thus, you will get a comfortable sleep experience. the feature of flexible visco foams is open cell elasticity providing air permeability and being lightweight. its purpose is to fill the neck cavity and provide a comfortable sleep. ease of breathing prevents excessive sweating, heartburn and restless sleep during sleep. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.