Very usefull when you want to make pictures of the mouth.There are 3 sizes:
* small: for children up to about 6-7 jaar
* medium: for children from 6-7 years
* large: for adults.
Also available in a set of all 3 sizes for € 18,- or in a set of a cheekholders S + M in combination with T-shape S cheekholders for € 18,-, or cheekholders S + M in combination with T-shape S + V-shape cheekholders for € 24,-.