Size table
| Class | Average height, cm | page.stb_height_back | Backpack size, cm | |
|---|---|---|---|---|
| Boys | Girls | |||
| 1-2 class | 116-120 | 116-120 | 34-38 | S |
| 3-4 class | 130-140 | 130-140 | 38-40 | S, M |
| 5-6 class | 135-145 | 135-145 | 40-43 | M |
| 7-8 class | 150-160 | 150-160 | 45-47 | M, L |
| 9-11 class | 170-180 | 170-180 | 48-50 | L |