U-shaped Pillowcase: Made of high-quality fine fleece (polyester), the U-shaped pillowcase is soft, comfortable, and durable Memory Foam Filling: The pillow core uses high-quality memory foam with excellent resilience. It can bend and mold to its shape without deforming, providing superior support for optimal comfort Portable and Easy to Use: The U-shaped pillow comes with a hook to prevent slipping during use. If your suitcase is full, you can easily tie it to the outside of your luggage for convenience Versatile: The U-shaped pillow is perfect for travel, watching movies, napping, working, and driving. Wherever you are, it adds comfort and is your ideal travel companion Precautions: The cover is removable and washable. The pillow core should not be washed or exposed to direct sunlight. It can be dried in a well-ventilated area