You can use them on material with a thickness of 0.5 - 4 mm.
Riveting is done by hand with the mini press included in the package or with the press you can find under code 630344.
. Punches with a smaller diameter than the grommet should be used for elastic fabrics. For solids, the diameter of the puncher should be the same as the diameter of the grommet.
Not suitable for washing.