- Orthodontic elastic bands made from high-quality natural rubber - No color additives, safe and hygienic for dental use - The package contains 500 elastics and 5 durable plastic orthodontic position cards - Each band provides optimal force based on an elastic extension three times its diameter - Sealed package to prevent dust and dirt, ensuring maximum hygiene - Lightweight and portable product, perfect to take to school, work, or travel - Versatile: suitable for orthodontics, dental appliances, and also for braids or knots in pets