1.Relieve Hip Sciatica and Back Pain: Different from the normal sleeping pillow, ergonomically designed lumbar support pillow fit your waist fully and no foreign body sensation, fills the gap between waist and bed, perfect support the back or the knee, you can experience hip, sciatica, back, knee pain relief and enjoy a better night's sleep. Keep your legs, hip and spine in ideal alignment while sleeping. Very suitable for pregnant women in early pregnancy use. 2.Multifunctional: This bed pillow not only can be used for side sleepers to protect the waist, but also can be placed in the calf or below the knee, providing comfort. Zero gap fit, offer you the best support and decompression effect.recommended for slight weight people use.If you need a thicker pillow, please click on CompuClever store to see other lumbar support pillows. 3.Help to Improve Sleeping Posture: Dimension is 48L * 34W * 11(Lower)3.5H(Higher). Lumbar Support cushion has been perfectly measured to fit the curvature of your back while sleeping, fits different sleeping posture while keep "S" curve and avoid turning over, different thicknesses, stable triangle designed keeps your back and waist healthy, fully support the back without any gap to help you reduce pressure at night, prevent strain of lumbar muscles, relieve lumbar pressure. 4.100% Premium Memory Foam: Inner material is medical grade memory foam which can retain its shape for continued support, never go flat, no more tossing, offers the right balance of support and comfort, Hypoallergenic, anti-bacterial and dust mite-resistant. 5. Soft and Breathable Velvet Cover: The cover is so soft that easily take you to sweet dreams. Outer cover is machine washable, so easy clean cover, also the durable cover provides breathability, on the memory foam there is an white inner cover which increases comfort and absorption ability. Excellent gifts for mothers day fathers day and friends