The sheet with the jersey stretch corners perfectly fits various mattress sizes, without producing folds and without slipping. It gives comfort and protects the mattress from dirt and sweat, it is hygienical, because it is washable at 60°C. The sheet can be ironed, but does not require ironing, as it adapts perfectly to the mattress (stretch function). The fabric is Certified Trust in Textiles, meaning it does not contain any element potentially harmful for the body.