Breathable, luxuriously silky smooth microfiber fabric offers completely undetectable protection against dust mites. Exceptionally strong, this specially formulated fabric is made of tightly woven yarns that block out allergen molecules of less than 3.03 microns, while still allowing air and moisture to pass through freely. Microfiber barrier fabric that offers completely "undetectable" protection against dust mites. While exceptionally string, this luxuriously soft fabric is made of ultra fine fibers resulting in a fabric which is finer than the most delicate silk. Coated with 100% vinyl for soft and quiet comfort. Cool and breathable. Machine wash in hot water with or without bleach and tumble dry. Fully zippered for greater effectiveness with a rust-free zipper. Laboratory tested as an effective barrier to dust mite allergen transfer. Effective for a minimum of 200 washes. White. 

Features:

• Protection less than 3.03 microns
• Allergist recommended
• Pillow Size 20 x 26"
• 100% vinyl coated
• Machine washable
• Rust-free zipper
• Cool and breathable
• Finer than the most delicate silk
• Lifetime guarantee