Orthopedic Neck Support Pillow Treated With Bamboo Charcoal, Medium Supports the natural alignment of head, neck and spine Bamboo Charcoal Treated Polyurethan Foam - Dimensions: 19"x12"x4" The medium Neck Pillow is recommended for people under 5'6" Pillow cover with zipper included Please note that for health and hygiene reasons we regret this item is non-refundable if the item has been opened or used