grey waterproof mattress protector, likely designed for a queen, full, or king-sized bed,

This type of mattress protector is designed to shield your mattress from spills, stains, and accidents, helping to prolong its lifespan. 

Material & Comfort:

Many mattress protectors, like the one pictured, feature a soft, breathable surface (often cotton terry or microfiber) over a waterproof layer, providing protection without sacrificing comfort or making noise.