Many hybrid mattresses come with removable and machine-washable covers.
This is great for hygiene purposes, as it means you can pop the cover in the wash now and then.
But, we'd still recommend you invest in a waterproof mattress protector.
A good mattress protector will safeguard your mattress against stains, spills, dirt, and bacteria.
Mattress protectors also elongate the lifespan of your mattress!