There may be a slight discrepancy between the 2 scales on the sides due to the nature of the product.Wash with dish detergent before first usage.Do not use a scrub brush or polishing powder with this product.Keep away from fire and other sources of heat.Terpene contained in citrus fruit peel and oils can cause deterioration.Do not use in microwave.Do not wash with dishwashers or dish dryers.Cannot be used for accurate weighing. Use only for approximate measurements.