Major specifications: The pillow is filled with a slow-rebound foam (rebound takes 1-3 seconds) which has been designed for NASA. The foam remembers position of your body and adjusts to user’s figure. Outer layer breathes and removes moisture outside. The product has been patented. Smart slow-rebound foam To fill the pillow in, the manufacturer has used the slow-rebound foam. Slow-rebound memory foam is eco-friendly, user-friendly, remembers user’s body curvatures and adapts to the user, reacting to temperature changes. Such back and head support is perfectly adapted so that sleep quality can be substantially improved. Breathing outer fabric Do not worry about long-lasting travels. The outer layer covering the pillow removes sweat outside so that you can feel fresh and clean even after a few hours in the car. The headrest with air hole improves comfort when you spend long hours in the vehicle. The materials used are soft, pleasant to skin and not susceptible to pilling – they will serve you for a long time.