[Mybecca] 6"D x 16"L NECKROLL & BOLSTER Hypoallergenic Pillow Insert Support Cushion in SOFT FOAM Available in 2 different types: (1) MEMORY FOAM; (2) SOFT OPENCELL FOAM Cover NOT included Hypoallergenic and provides perfect spinal alignment and a therapeutic sleep posture to enhance sleep comfort Serves as a leg pillow, too. Sandwich it between thighs to keep hip/leg alignment for side sleepers Also serves as lumbar support for sitting, especially on a soft couch