1. Features: - Ergonomic design: It conforms to the curves of the human neck and head, offering support for the neck and head, enabling you to maintain a comfortable neck and head posture during the journey and making your journey more relaxed and enjoyable. - The U - shaped design helps promote blood circulation and relieve cervical spine pressure. The collar size and elasticity can be adjusted. - The pillow core is made of slow - rebound memory foam, which is comfortable, breathable and supportive, making you feel as if you are sleeping on the clouds. - It comes with a storage bag: It is small in size, foldable, easy to carry, and comes with a storage bag to save space. - It is suitable for sleeping on the seat during long - haul flights or sitting upright on any type of chair. 2. Specifications: - Material: Polyurethane + Spandex - Size: 12 cm in height 3. Items included: - 1 pillow - 1 pillowcase