Rectangular Pillow for Side SleepersThe Angle between your head and shoulders is 90 degrees this block pillows will full filling the gap of your head neck and shoulders when sleeping on your side side sleeping is proven to help with circulation respiration and digestion Thin Pillows for People With Narrow Shoulders This 4 inches pillow is designed for people with narrow shoulders sleep with a right height pillow can help improve your sleeping and neck pain relief There are 4 56 pillows of TOPPURE available more choice for you Premium Memory Foam PillowTOPPURE ergonomic sleeping pillow core is made of high density slow rebound memory foam That will provide sleeping firm support with amazing comfort and softness Washable Pillowcase Pillowcase soft and silky equiped with invisible zipper mashine washable easy care Moderately Soft and FirmThis cervical pillow has a medium hardness The memory foam has a feature of slow rebound making the pillow fits into your neck perfectly NoteYou may experience some discomfort during the first two weeks while your body is trying to adjust to the correct position but you will enjoy extreme comfort after you get used to the pillow