LINENSPA Premium Mattress Protector – 100% Waterproof – Hypoallergenic – 10 Year Warranty Price:  $6.50 (as of 18/10/2017 13:29 PST- Details)

100% waterproof top surface repels all liquids including bodily fluids, perspiration, urine and accidental spills
Hypoallergenic smooth-top polyester surface and polyurethane backing prevents allergy-causing dust mites from living in your mattress
Fully elasticized fitted sheet style fits all mattress depths up to 18″