Product Description: Material: Silk Cotton Color: White Size: As picture shown Thickness: 8 cm/3.1" Weight: 400 g/pc Package List: 1 Pc x Lumbar Pillow for Bed Product Features: - 360° Around the Waist, Not Afraid to Roll Over. -Keep Positioning All Night. - Two Velcro Strips & Adjustable Circumference. Great for: - Prevent Psoas muscle strain - Stretch Lumbar Vertebra - Relieve Lumbar Pressure - Help Spinal Alignment Note: 1. Manual measurement, please allow a slight error in size. 2. Colors may vary slightly due to different screen displays. 3. If you have any question, Please contact us anytime, we will reply you in 24 hours.