- Technical characteristics
- Dimensions and weight
- Packaging
- Manufactured with a highly resistant rubber that maintains its strength and flexibility after prolonged periods of use.
- Colour-coded resistance (from lower to higher resistance):
- Light gray: light.
- Dark gray: medium.
- Black: Heavy.
- Red: X-Heavy.
- Length: 25 cm.
- Width: 5 cm.
- Length: 10 cm.
- Width: 4 cm.
- Height: 14 cm.
- Flap for hanging the box: 10 x 4 cm.