Utopia Bedding Premium Hypoallergenic Waterproof Mattress Protector - Vinyl Free - Breathable Fitted Mattress Cover (King) Utopia Bedding hypoallergenic 100% waterproof mattress protector Fitted sheet style fits all mattress depths Protects the mattress from all liquid stains, allergens, dust mites and bacteria Airflow Technology allows air to circulate through the protector, but repels liquid Cotton terry surface will not change the feel of your mattress