Made from hypoallergenic and absorbent cotton terry, the Pr1me^® Terry pillow protector sleeps comfortably and will not change the feel of the pillow. A zipper allows for easy removal and laundering, helping to create a healthy sleeping environment. Laboratory-certified H2Pro^® membrane creates a quiet, liquid-proof and breathable barrier against allergens, dust mites, and liquids. Comes in a set of two.