PERFECT SUPPORT: During a nap, use this pillow to effectively reduce neck pain. This pillow can perfectly place the arm under the pillow to prevent the arm from being squeezed during sleep and causing pain. FOLDABLE DESIGN: Pillow size - 25.1 x 18 x 4.1 cm, the same size as a book, saving space. The high-quality plastic shell protects the pillow when folded and closed, and is easy to store, put in a bag and take with you. EXCELLENT QUALITY MEMORY FOAM: Our portable pillow is made of premium memory foam that never goes flat and will remain uniform in density no matter how much you use it. The pillowcase is removable and washable. PERFECT GIFT: It is the perfect gift for children aged 6-16. They will love this gift very much. You never have to worry about their lunch break anymore. And this pillow will not be very light, only 0.5 kg. MULTIPLE USES: It is very suitable for students to use during school lunch break. Of course, adults can also use this pillow. You must choose this product according to your body type. At the same time, it is suitable for libraries, offices, everywhere you want to sleep face down.