• Pack of 10 Chewies aligners designed for aligner trays and chewing seats • Made of high-quality, durable, BPA-free silicone, safe for daily use • Provide gentle chewing, helping teeth fit better and preventing deformities caused by orthodontic appliances • Comfortable and non-slip design, can be chewed anywhere in the mouth without worrying about them falling out • Suitable size: each aligner measures approximately 3.3 cm long and 1 cm in diameter, fitting well in the mouth and allowing effortless biting • Easy to carry and use at any time • Sufficient quantity for personal use or to share with family and friends • Caution: keep away from children to avoid choking hazard