1. Place under your knees for elevating your legs while sleeping on your back, or position under your ankles to lift your feet for better circulation while reducing varicose veins or assisting with post surgery recovery. The perfect cushion for sleeping on your side or back while relieving low back pain 2.Eases back, leg, knee, ankle and hip joint pain by providing proper spinal alignment when sleeping. Simply insert the bolster between your knees and sleep on the side most comfortable for you. This layer firm bolster pillow with a memory foam top layer is covered by an extra soft breathable and washable organic cotton cover case 3.MULTI-PURPOSE - The perfect pain reliever positioning pillow. perfect for side sleeper, back sleepers, during pregnancy or after surgery. Provides therapeutic support in multiple areas of the body. The perfect solution to elevate your knees when sleeping. 4.perfect GIFT for Mother's/Father's Day, Labor Day Sale, Black Friday, or Christmas colour:white Material:Memory Foam size:40*20*10cm Package Contents:1*Half round pillowOnly the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.