Hanna Key Premium 100% Waterproof Mattress Protector provides restful sleep in the night with long-lasting age, very helpful to keep your mattress safe from liquids, skin cells and other allergy triggers. Hanna Key Mattress protector is very helpful for blocking liquid drops (you can see if liquid drops touch your mattress, it is really very hard to remove, and there will be liquid spot on your mattress which doesn’t look good). The protector has capacity to soak up to one-liter of urine, any other liquid. As it is made of 100% cotton terrycloth so it is very helpful in absorbing liquids. This is safe and doesn’t create noise in the room as it doesn’t contain PVCs or phthalates. Hanna Kay Premium 100% Waterproof Mattress Protector is good for those patients who are suffering from Asthma and eczema.