Note: Style 1 is Triangle Pad; Style 2: Triangle Pad+headrest; Style 3: Triangle Pad+non slip pillow; Style 4 is Triangle Pad+headrest+non slip pillow. Please check carefully before purchasing.Foam Wedge PillowThis wedge bed pillow is designed with the R shape suitable for our human beings somatotype theory. Comfortable, gradual slope provides BACK and LEG support to help improve blood circulation to the heart, respiratory problems, reducing pressure on the spinal cord, and back pain.Therapeutic PillowThis is a home care assistance treatment pillow. (1) It can help patients turn over, change their posture, assist leg passive lifting, improve leg blood circulation; (2) At the same time is conducive to supporting pregnant women& 39;s belly to create a good environment for pregnant women to sleep. (3) Right angle helps relax your neck, being good for acid reflux, poor circulation, allergies or any other condition which breathing may be impaired in supine position.Incline PillowWedge Cushion provides enough load-bearing pressure that will not separate or deform during prolonged use, making it a perfect candidate for post-injury or post-surgical recovery, as well as for side sleepers.Wedge Pillowcase It is made of high quality pure cotton, that is removable and washable for easy care.Support UserThe elderly, bedridden patients, handicap, lower limb fracture patients, due to surgery those who could not move but stay in bed for rest, pregnant women, use in seating for lumbar,back,legs ,belly support."