The product:

Made by high density metal tape, both side white coated, laminated with self adhesive at one side. 

How to use: 

Use to create a strong metal base on normal wall for holding magnetic products. can work with magnetic button, or magnetic tape to create a holding systems for a piece of paper or big size poster, or hanging light weighted objects. 

Specification:

Thickness without adhesive: 0.2mm, +/-0.002mm

Packaging: 

each roll with a 3" paper core, shrink wrap, or packed into white box or printed box