· Full 360° Protection: Unlike fitted sheet-style protectors that leave sides exposed, our zippered encasement provides complete coverage, safeguarding your mattress from every angle against spills, allergens, and bed bugs.· 100% Waterproof: Advanced barrier keeps accidents, sweat, and spills from penetrating, preserving your mattress in pristine condition.· Quiet & Breathable Comfort: Soft, noiseless cotton fabric ensures a restful sleep while preventing overheating.· Durable & Secure Fit: High-quality zipper and strong stitching fit mattresses up to 15" thick, ensuring a snug and reliable seal.· Easy to Clean: Machine washable for effortless maintenance, making it simple to keep your bed fresh and hygienic.