How long do shoe crease protectors last?

Crease Protect shields are made of the highest quality materials and provide long-lasting durability. Crease protect shields should work in most shoes for up to 3 months, however, in most cases they can last up to 2 years or longer.
How long do shoe crease protectors last?

The Crease Beast Duo

Crease protect shields can last up to 2 years or longer, providing long-lasting durability and effective protection against shoe creases.