BEWALKER Car Headrest Memory Foam Neck Support Pillow Car Seat Cervical Cushion 1. Material: memory cotton + short flannel fabric 2. Skin-friendly high elastic fabric, soft and comfortable, moisture absorption and breathable, with elasticity 3. Slow rebound memory foam core, 3-5 seconds slow rebound, even pressure absorption, dispersal of body pressure 4. Partitioned neck protection design, comfortable neck protection, in line with ergonomic design principles, help to correct the sitting posture 5. Central concave support, effective support for the neck, to prevent hanging, double curved butterfly wing design, left and right half-wrapped, goodbye to shaking 6. U-shaped support design, the cervical spine naturally stretches into an S-curve comfortable fit, care for the cervical spine, release cervical spine pressure 7. Convenient buckle + elastic woven bag, not easy to shift, invisible zipper design, easy to clean, more secure 8. Weight: about 425 g 9. Size: about 32 x 27 x 26 cm