FAQ CASPER PRODUCTS HOW DO I CLEAN MY FOAM PILLOW? SEE ALL QUESTIONS HOW DO I CLEAN MY FOAM PILLOW? To clean your foam pillow, remove the outer cover from the pillow and Machine wash cold on delicate cycle. Dry flat and do not bleach or iron. The foam is spot clean only. YOU MAY ALSO LIKE How do I clean my Down Pillow? How do I clean my Original Casper Pillow?