Orthodontic elastics for training the tongue position at rest: by placing one on the flat part of the tongue tip and placing the tongue tip (with that single elastic band) in the right place behind the upper teeth (alveolus). Subsequently close the rest of the tongue against the pallatum.
There are three variants (100 pieces per bag):
Heavy, 5/16 "(7.9 mm), colored.
Heavy, 4/16 "(6.3 mm), colored.
Heavy, 4/16 "(6.3 mm) latex-free, white. Suitable for people allergic to latex. An additional charge of € 0.25 per package applies for these non-latex elastics.