When it comes to Mattress Protection and Bed Wetting, you just can't beat a Terry Toweling Mattress Protector.  These mattress covers offer great protection against bed wetting accidents and are very hard wearing and long lasting.   It is made up of 2 layers.  The upper side is made from 100% cotton Terry Pile.  The underside is made from 100% polyurethane, and is therefore 100% waterproof.  They are machine washable at 40 Degrees.  They are fully Fitted sheets and will fit a 12" Deep Mattress.  These mattress Protectors are hotel quality standard and have elasticated corners for easy fitting.  They are available in a range of sizes:  Single, Double, King Size and Super King (Queen) Size.   We would recommend purchasing 2 mattress covers.  That way you can wash one against the other when accidents do occur.