Pillow Cover: 65% Polyester, 35% Bamboo FiberImportedKING SIZE – Measures 35 x 20 x 6; Pack of ONE pillowNOTE: BUY THIS PILLOW GET ONE EXTRA SOFT PILLOWCASE FOR FREE!PILLOW COVER – The bamboo polyester cover ensures you feel cool and comfortable throughout the night. Bamboo fiber is a kind of natural and healthy renewable fabric. The product has odor neutralization, humidity control and thermo preservationSUITS ALL KINDS OF SLEEPERS: Suits back, side and stomach sleepers, especially ideal for chronic pain sufferers. This pillow has been widely used among users of different ages since our pillow can improve their health problems and ease pains, such as neck and cervical pain, snoring, insomnia, cranial neuralgia, stroke and loss of concentration, etcNOTES-You may feel uncomfortable on this pillow during the first few days because it needs time to fit your neck contour, but you will enjoy a extreme comfort after your get used to it! Normally, you need 3-5 days to adapt to this pillow.