Ergonomic Cushion Rezo Cherry pits have the property of retaining heat for about 30 minutes. To do this, simply heat them in a microwave, an oven, or place them on a radiator, according to the recommended time. Its elongated shape allows the cushion to be placed on the neck, shoulders, or trapezius muscles. The heat helps to naturally release tension. The cushion conforms to the shape of the body and provides immediate comfort. Made of organic cotton fabric in white and dark navy. What you liked about the cherry pit cushion an ultra-practical format for all parts of the body the ability to heat it in different ways a 100% natural, 100% biodegradable product made in France the equivalent of a dry hot water bottle, without the risk of scalding Usage advice for the heating and relaxing cushion Microwave heating time 700 W: 2 min. and 30 sec. 800 W: 2 min. 900 W: 1 minute and 30 sec.