About Odor During the process from production to delivery, the product is in a sealed state and the odor cannot be dispersed over time.The pillow products are separated from the pillow cases and can be ventilated in a cool place for 2-3 days.Some more sensitive friends, it is recommended to extend the ventilation. Chromatism Information All products in this store are taken in kind, due to the difference in sunlight, angle and monitor.There may be some color difference between the picture, the product and the actual color will prevail. About bubbles The product is a mold process.If a small hole or air bubble in the inner core is a normal phenomenon, it is not a product quality problem and can be used with confidence. Manual measurement, there may be 1-3cm error, which is normal.