Backbright is a children's posture correction belt described for primary school students. It is a reinforced double-spine version identified for chest straightening and back posture correction.
The belt is presented as a correction device for children's chest and back posture. Its listed sizing guidance links size S with 10–22.5 kg, size M with 22.5–35 kg, size L with 35–50 kg, and XL with 50–65 kg. These figures are weight ranges, not age ranges.
Why it works
The reinforced double-spine construction is a specific feature of this version.
The stated purpose covers both chest straightening and back posture correction.
What is this belt intended to do? It is described for chest straightening and back posture correction in children.
What do the weight ranges refer to? The listed ranges are sizing guidance: S corresponds to 10–22.5 kg, M to 22.5–35 kg, L to 35–50 kg, and XL to 50–65 kg.
