Washable Three (3) – Layer Cotton Bed Pad Quilted surface fabric: breathable cotton Heavyweight absorbent soaker in middle Vinyl barrier bottom layer with knitted backing for durability Rounded corners with bar track security Machine washable Available in 5 sizes   Absorbency is approximately: 1,500 ml when it’s laying flat on a smooth surface     Note: patient’s weight and positioning on top can alter the absorbency amount along with eventual wear and tear which can also have an effect. Also, it’s not recommended that this quantity of liquid or even a portion of it is left under a patient, as the patient’s comfort and well being will be effected when positioned on a wet surface for an extended period of time.