One retractor per nag. Great protection for lips during interproximal stripping. Cold serializable. High medical grade plastic. Universal size for children and adults

A must for perfect bonding during bracket placement, lingual retainer placement and more Acts as a bite block and as a tongue shield. Two holes to fit the saliva ejector “optional”. Two safety holes for floss threading. Soft plastic that could be trimmed if needed. Available in small "pedo" and large size "adult and teen" Cold sterilizable only. 10 blocks per pack