The PULSE WG 100 pillow is made from special open cell hypoallergenic Watergel® foam. This material guarantees the exceptional breathability of pillow that remains cool to the touch, above all during the summer. Available in 3 thicknesses of 9/11/13 cm to respond to different sleeping positions and guarantee correct support to the lower neck in any position. The pillow is protected by a 100% Cotton Jersey cover. The PULSE WG 100 pillow is a Class 1 Medical device.