Playgro In Your Dreams Bonne Sante Tencel Pillow Protector offers protection against allergens, dust, bed bugs, spills and stains. It keeps your pillow cleaner and fresher for longer. It is waterproof, yet breathable and provides a super level of protection for your bed. Tencel is a modern, ecologically-friendly wonder fibre that is naturally breathable, absorbent, hypoallergenic and inhibits the growth of bacteria. It provides a barrier against dust mites, great for allergy sufferers. Naturally cool and breathable, it helps lengthen the life of your pillow while keeping it pristine.