1. SCIATICA, BACK & HIP PAIN RELIEF AT NIGHT: Ergonomically designed knee pillow fits comfortably between your knees and provides maximum support and comfort at night that helps relieve sciatica pain and pressure on the lower back. 2. PREMIUM HIGH-DENSITY MEMORY FOAM: 100% premium quality , provide long lasting comfort for hours, superior to other pillows it 't go flat over time 3. ERGONOMIC DESIGN: Ergonomic design keeps your legs, hip and spine in perfect alignment while sleeping and improves circulation 4. BREATHABLE EASY CLEAN COVER: Breathable zippered cover ensures the pillow does not get warm and is machine washable for easy cleaning Name: Memory Foam Wedge Pillow for Side Sleepers Type: Leg pillow Filling: Memory Foam Feature: THERAPY Feature: Memory Colour:Blue Material:Cloth +Sponge Size:20x 10 x 10cm (error +-3cm) Package Contents: 1x Leg pillow Only the above package content, other products are not included. Note: Light reflection 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.