A soft knit stretchable fabric with an ultra-thin, waterproof polyurethane membrane provides protection from allergen molecules. The top surface is silky smooth polyester knit, while the bottom surface closest to the mattress is a scientifically tested breathable membrane to block out dust mites, bed bugs and their waste.

• Anti-allergen, bed bug proof and hypoallergenic mattress encasement will keep your bed protected for years.
• The soft knit surface is comfortable and smooth to the touch.
• The protector shields your mattress from bed bugs, dust mites, pet dander, pollen, and mold spore allergies.
• It has an outer zipper flap, an interior zipper flap and reinforced inner seams for the most effective barrier to related allergens.
• Depth: 10''