100% Cotton Waterproof Pillow Covers (4-Pack, Standard 20x26 Inches): Made of pure cotton for ultra-soft, cloud-like comfort—no crinkly noise to disturb your sleep! Built with antibacterial and anti-mite properties, it fights dust mites, bacteria, and mold, ideal for allergy sufferers or sensitive skin. The leak-proof barrier locks out spills, stains, and moisture to keep your pillows fresh and clean. Perfectly fits standard 20x26 inch pillows, easy to slip on/off and machine washable for hassle-free care. Protect your pillows and upgrade your sleep quality!