Buckwheat hull filling cushions have been used since millenia due to their ability to conform to the body shape, thus providing the right support to the body.This classic cushion can be used in multiple ways: As a sleep support, it helps alleviate back pain while sleeping or lounging and encourages an aligned body and restorative sleep.As a sitting support, it helps realign the neck which gets pushed too far forward from chair sittingThe cushion can also be used as a body pillow or to prop the feet up when lying in bed, or when travelling to support the neck.As true yoga furniture, it is firm enough to provide support, and at the same time, soft enough to rest on while doing yoga.It gives support for spinal stretches, restorative postures and deep breathing. This classic cushion is breathable, has no toxic off-gassing, (of flame retardants and formaldehyde added to cotton batting) and is designed to facilitate optimal alignment, breathing, and true comfort.Dyed with healing herbs, this 100% ayurganic (100% chemical free, herbal dyed, certified organic) cotton cover and environment-friendly, high-quality premium buckwheat hulls help you practice living gently on the earth while protect you from the off-gassingSome advice on how to use your pillow: May take a little getting used to because the hulls rustle a bit inside the pillow as you move. If the smell of the hulls disturb you, try spraying some of our aromatherapy mists; Nidra sound sleep mist.To clean the pillow: The pillow case is machine washable. Hulls are not washable.Storing: Although dust-mite resistant, any natural filling kept in storage for long periods of time that is not in use may provide a habitat for any number of organisms. Therefore if you are going to store the pillow for long periods of time it is recommended to keep the hulls in a freezer at least for one day per month as a preventive measure, especially if you live in a hot and humid environment. Alternatively, you may use a vacuum pack sealing system.