Encases The Mattress For Complete Protection From Bed Bugs Allergens Liquids And Stains Deep Pocket Design Accommodates Mattresses 6 To 18 Inches Deep Bottom Elastic Creates A Smooth Secure Fit Thin Hypoallergenic Fabric Is Quiet Smooth And Breathable And Will Not Change The Feel Of Your Mattress 100 Percent Waterproof With Watertight Zipper And Sealing Bug Flap Twin Size Encasement Protector Measures 39 Inches By 75 Inches And Comes With A 15 Year Product Warranty Features: Breathable, Allergen Barrier Bedding Closure Type: Zipper Bed Size: California King Measurements: 84 Length/Inches, 72 Width/Inches Base Material: 50% Polyester, 50% Polyurethane Care: Machine Wash, Tumble Dry Protection Level: Moderate Mattress Pads & Toppers Type: Mattress Encasements Country of Origin: Imported