The Nod Off Quilted Waterproof Mattress Protector in King size features a deep fitted-sheet design with an elasticated skirt that snuggly wraps mattresses up to approximately 30 cm thick. It combines a soft quilted surface with a 100% waterproof backing to protect against spills, stains, and moisture—without any noisy crinkling. Made from breathable, hypoallergenic materials, it helps guard against dust mites and allergens while ensuring comfortable airflow.