QXZ1001 Features: * Boxspring cover * Material: 100pct Polyester * Twin XL size * Designed specifically for Twin XL boxsprings which are typically split with each section measuring 74"" x 84"" x 9"" * Zip N" Stick tape closure * Certified Bedbug proof and independently tested * Luxurious 100pct Stretch Polyester knit laminated to Urethane membrane on all sides * Dust allergen proof * Breathable for cool and comfortable sleep * Machine wash warm and tumble dry low Specifications: * 100pct Waterproof Dimensions: * Overall dimensions: 36"" W x 84"" H x 9"" D Warranty: * Manufacturer provides 5 years warranty