The items are made by cold-die cutting different made-to-drawing designs from a rubber sheet or other materials (e.g. Flexoid, felt, Teflon). The sheets are cut using metal moulds (dies) mounted on specific machines (die cutters).

The articles can be die-cut on demand and coupled with an adhesive film.

Tolerances allowed for punched items in both sponge and solid rubber:
UNI EN 22768-1 class m (linear dimensions) DIN ISO 3302-1 class E2 (thickness)