The Sigg Screw Top is a classic screw cap that fits all SIGG classic narrow neck drinking bottles. The cap can also be put on the WMB bottles. You will still need an adapter for this. The Sigg Screw Top is therefore a handy addition to any SIGG.

The Sigg Screw Top is BPA free. In addition, you will not suffer from a leaked cap. The cap is leak-proof. The cap is also made very light.

Product specifications: