Dry Defender Vinyl Mattress Protector 3 Gauge - Twin XL Extra Long Size (Zippered) 39"x80" Vinyl Superior waterproof mattress protection locks out dust and moisture Fits mattresses/boxsprings up to 9 inches deep Twin XL size: 80 inches long by 39 inches wide Stay-soft vinyl protects your mattress or boxspring from spills and stains Zippered