The stretch sponge mattress-safe fits perfectly varie mattress sizes, without producing folds and without slipping. it is soft and tight, absorbs the humidity of the body and finished with a particularly resistant perimeter elastic band. It gives comfort and protects the mattress from dampness and stains, hygienic, because it can be washed at 60¡. The ironable mattress-safe, but does not require ironing, as it fits perfectly into the mattress (stretch function). it is light, soft, easy to apply, it is washed in the morning and reused the same evening.