The adhesive on the 3m product is inadequate for the job. Not sticky enough. I am disappointed with 3m, a well know and trusted company until now.

M bumpers are a high quality 3m electronics product with excellent adhesion, clarity and ease of removal from the packaging sheets. There is a size for anything and the adhesion is spot on. The packaging is really amazing.

I find that if i apply the even the smallest one on the inside of glasses lense in the center of my field of vision, this dispels my double vision. I've tried everything including prisms & patches over the last 8 years to remedy. I 3d print a lot ...  Read More

This product is practically worthless. It comes in a nice bag, looks good and has varied thicknesses, but does not stick. Even though the glass is heavy if you bump it it moves and the bumpers come off.