Why use cylindrical pillows? 1. Using a round neck pillow can help you reshape your vertebrae back to their natural curves. 2. Cylindrical pillows are multi-purpose and cost-effective, such as can be used in beds, sofas, offices, and even yoga. 3. Advantages of pillows: ✔ Memory foam is neither too soft nor too hard. ✔ Removable with machine washable breathable pillowcase. ✔ High-density slow-rebound memory foam, even if you bend the pillow, it will not deform!. ✔ Comes with a travel bag so you can take it with you while enjoying instant neck relief. This pillow can help you in several ways: ✔ Below your neck, aligns your spine while you sleep. ✔ Slip it behind your lower back and enjoy instant lumbar support using an office chair or car seat. ✔Put it under your knees to ease back sleep. ✔Place it between your legs for side sleeping support. ✔Put it under your feet to relieve leg root fatigue. Breathable & Cooling Pillowcase This memory foam pillow is encased by a cotton-infused hypoallergic, breathable and soft outer pillow case. Its quick moisture-wicking ability gives you a comfortable and healthy sleeping environment. Easy Care It's very convenient to remove the pillowcase by zipper to clean and maintain hygiene. Machine Washable Pillowcase Pillowcase can be washed by hand or machine. Read more Breathable Inner Cover The inner cover ventilates heat dissipation, and can protect the pillow core. 5S Slow Rebound Memory Foam The pillow core is made of high-density memory foam material, which has a slow rebound in 5 seconds and is soft and supportive. Travel Carry The neck roll pillow is designed with a 17x4in travel-friendly size for convenient to carry. Read more Read more