The features of reusable L shape angle interdental brushes produced by perfnice company-the factory:

Deep Cleaning Bristles, extend between teeth gently and easily. Brush away debris.
Ridged Pick, extends between teeth gently and easily. Stimulates gums
Safely scrapes away plaque. it works on both ends.

How to use interdental brushes:
1) Gently insert brush between teeth,
2) Gently insert toothpick between teeth,
3)and gently press against gums,

4)Move sliding back and forth to stimulate gums in and out to remove food particles and help remove

plaque.

The safe testing reports of raw materials of interdental brush cleaners:

As a manufacturer, we use the high quality DUPONT Nylon Filaments to make the angle interdental brushes head. It is safe and soft to use to takes away plaque from between teeth, braces, bridges and even the tightest spaces.Thin and safe design for small spaces. Design to fit your finger for comfort and control.

Component : Dupon Nylon, Stainless steel wire, PP handle
Use gentle in and out motions to remove plaque and food particles.
Soft hand to reach at any angles for thoroughly clean.
Rinse brush after each use. Discard brush when bristles become worn
Wire Size:: 0.45mm, 0.6mm, 0.7mm,0.8mm

The detail data of interdental brushes head: