EasySmile Colour IPR Hand-held stripsErgonomic, single handed design provides optimal tactile control and reduces hand fatigue Eliminates the need to hold small restorations and use rotary instruments or articulating films. Central opening for enhanced visual perception and access for tools Will not remove excess enamel or cut lips or gums Flexible strips conform to the natural contours of the teeth to avoid creating sharp corners. Sold in Kits of 10