Flatworld Pillow with Bamboo Charcoal Neck Bed Pillows King Queen White Fabric:100% Cotton Fill with Activated Carbon and buckwheat Sizes:17 x 24.5 inches Better for Neck Bed Pillows Breathable Cotton and A massage relaxed tired muscles Hypoallergenic and dust mite resistant Purify air Kindly maintain:Can't wash,Please keep it dry in the sun and recycle use