Memory Foam Support Pillow contours to the shape of your body while delivering firm, stable support in bed or on the sofa. It is designed to hold its form for reliable comfort. Key benefits Contoured memory foam provides firm yet responsive support that adapts to your body shape. Improves alignment of the spine and hips to promote relaxation and better sleep quality. Compact yet versatile design that fits into multiple positions without crowding your space. Multiposition and uses Under knee support: place behind or under the knees to alleviate pressure and support leg alignment. Spacer between legs: helps keep hips, pelvis, and spine aligned while sleeping or resting. Lumbar support while seated: use on a reclining sofa, couch, or chair to support the lower back. Leg elevation for back sleepers: elevate legs to relieve tension and improve circulation. Car seat lumbar support: provides back support during driving for comfort on long trips. Knee roll, neck support, or additional leg raise: adaptable for various comfort needs. Size and compatibility size: 45x17x11 cm (17.71x6.69x4.33 inch). Not too large, versatile for use behind the knees, between the knees, or as a knee roll. Material and performance Material: Memory foam for durable, contouring support that maintains shape over time. Use scenarios At home in bed or on a sofa: use as a knee roll or betweenknees spacer to maintain proper alignment and reduce tension. In a reclining chair or couch: add lumbar support and/or leg elevation to increase comfort during long periods of sitting. In the car: place on the lower back to support posture and reduce fatigue during driving.