4-in-1 Allergy Protection: The medium pillow uses HeiQ Allergen Tech, a natural probiotic treatment that reduces exposure to pollen, dust mite, dog and cat allergens. This is the ideal side and back sleeper pillow for those needing lasting relief Active Anti-Allergy Technology: These durable pillows use active anti-allergy technology to constantly clean away the allergens, giving you lasting freshness and peace of mind, without the need to wash it again and again Premium Comfort: Crafted for restful sleep, the design of these super soft pillows offer medium support and hotel-quality comfort. As a single pillow with a cotton cover and Smartfil fibres, it’s an easy-care bed pillow for clean, luxurious sleep Hotel Quality, Every Night: Bring the indulgence of luxury hotel pillows into your own home. Precision-crafted to our high standards, all our bed pillows deliver the same exceptional finish found in hotel quality pillows Designed To Last: Each hypoallergenic pillow can be machine washed at 40°C. These washable pillows are thoughtfully made, redefining luxury pillows for modern, mindful sleepers