• A luxurious pillow filled with superior micro-fibre to provide support & softness• 100% pure cotton cover in a jacquard weave• Washable at 40 degreesc• Anti microbial• Non-allergenic• Made in the UK. The Outlast technology was originally developed for NASA to protect astronauts from temperature fluctuations. Today Outlast brings comfort to the life of millions of people on earth & has been awarded with the prestigious seal of approval " Certified Space Technology TM".