The Basic Smooth Mattress Protector keeps bed hygienic and comfortable for a goodnight 's sleepPatented Breathe waterproof membrane blocks dust mites, other allergens, liquids and sweat from permeating the mattressProtects your little ones from all the harmful substancesBreathe waterproof membrane regulates the temperature of sleeping surface - encourages airflow to and from the mattressWaterproof mattress pad extends the life of the mattressSnug fit and easily removable fitted sheet-style with 5-sided protectionSmooth, quick-drying jersey knit polyester fabricSafety tested and certified by the Standard 100 by Oeko-TexMachine Washable and Tumble DrySize: 130cm x 70cm to fit both 130cm x 70cm and 120cm x 60cm mattresses