The Helix Mattress Protector is the perfect item to keep your mattress as fresh and clean as the first night you slept on it. It is completely waterproof (protecting your Helix Mattress from any accidental spills or stains), breathable and cool (allowing for optimal airflow), completely quiet (toss and turn as you please, no crinkling will keep you up at night) and soft to the touch (not affecting the feel of your Helix Mattress at all). The protector is machine washable and made up of woven polyester, lined with TPU fabric. The skirting of the protector is made to fit snugly around your Helix Mattress, preventing any shifting throughout the night.