The Serta PerfectSleeper Bed Bug Shield pillow protector is waterproof and provides protection against bed bugs, stains, allergens and odor causing bacteria. Available in both Standard/Queen and King sizes. Features: Stain Resistant, Antimicrobial, Waterproof, Bed Bug Blocker Bedding Closure Type: Zipper Sleeping Position: Multi-Position Pillow Size: King Measurements: 36 Length/Inches, 20 Width/Inches Base Material: 100% Polyester Care: Machine Wash Pillow & Cushion Covers Type: Pillow Protectors Country of Origin: Imported