The smallest of the metal twist caps, this 43mm RTO (regular twistoff) cap is perfect for glass bottles or small jars and is available in black or gold. Easy to use it simply twists into place with one easy motion and your products within are securely contained. Glass is food safe and will not leach any chemicals and it is a fully recyclable product making it very popular with consumers. Easily apply your labels to the side of your bottle or jar and your products are ready for the end consumer.