Designed specially for reflux patients. Adjusts the sleeping position and prevents the stomach acids to get to esophagus and offers a comfortable sleep. Product Features Has a special cover that can be washed at 60 C. Cotton knitted fabric. Fully orthopedic. Foam produced from block. Product size : 60x60x24 cm Washing Recommendations Do not bleach. Do not machine dry. Do not iron. Do not dry clean.