Represents a break through in technology: It"s long lasting protection helps protect against common bacteria, dust mites, bed bugs, Mosquitos, Fleas, and Ticks. Twin Three Piece Basic Protector Set. 100-Percent Polypropylene. The set contains one 39-Inch by 75-Inch , non-woven mattress protector, one non-woven bobby spring protector, and one 20-Inch by 26-Inch , non-woven pillow protector. Fits mattresses up to 15-Inch deep. For best results, spot clean. Machine washable cold. Gentle cycle only. Tumble dry low. Do not iron. Do not bleach. Made in China.