Used for only one day. The included laundry net has some damage. [Freely Adjustable Height, Luxurious Sleep Experience] A new sensation pipe pillow is here! Recommended for a cool and refreshing sleeping environment for your head, both in the hot summer and the cold winter. The surface is a knit fabric, soft and gentle on the skin. You can adjust the height to your liking at home by inserting and removing the filling pipes from the side zipper. [Shoulder/Neck Pain Relief] Ergonomic design and excellent pressure distribution with memory foam reduce the burden on the body and firmly support the head, neck, and shoulders. It keeps the neck and cervical vertebrae in their normal shape, allowing for smooth breathing and reducing tossing and turning. Suitable for any sleeping position: side, back, or stomach! It evenly absorbs and distributes body pressure, providing comfort and stability that is unmatched by ordinary pillows. [Breathable and Non-Sticky Pipe Pillow] Adopting innovative pipe technology and a three-dimensional structure, it reduces the pressure on the head while sleeping and induces a comfortable sleep. Contains breathable and stable pipe material, providing moderate cushioning and breathability, allowing you to sleep refreshingly. The moment you put your head on it, you'll be enveloped in a feeling of lightness. [Comes with a Laundry Bag, Washable for Cleanliness] The pillow, refill pipes, laundry bag, and a cosmetic box are included. It is said that people sweat about a cupful while sleeping. Especially the head, where there is hair, tends to get hot and stuffy. Using the net bag, you can wash everything, so you don't have to worry about odors or dirt, and you can always keep it clean.