They are made of quality plastic that is non-toxic, safe, and tough, helps give you an unobstructed view of the oral cavity, it's ideal for extended use in dental offices and teeth whitening salons
This C-shape design doesn't stretch lips and you will not feel uncomfortable. Keep mouth open easily and hands available for oral inspection and treatment.
Size: Small one: 9.7*7.2*1.5cm/3.8*2.8*0.6inch; Medium One: 12*8.6*1.7cm/4.7*3.4*0.67inch; Large One: 13.2*9.2*2cm/5.2*3.6*0.78inch
It can be used for general dental purpose, it is useful in dental clinics and whitening salons, besides, it also can be applied at home to help you achieve dental care, causing no discomforts to your mouth and lips
It also can be used as a fun gift or game toy, watching your friends smile and laugh. Can be tricky prop for games, bringing much more fun and laughs to the party
