eBay

12 sheet (120 squares) in package. Enough to deal with 24-30 piece of acoustic foam. 1.18 *1.18 inch square (30mm* 30mm).
This tape has a thick viscous coating, so it can deal with porous material or fibrous material like acoustic panel. Of course, it can also be used in other daily applications, such as home decoration, DIY, and light and small item adhesion, it will bring you good results.
Clean the surface befor apply the tapes, unclean surface will greatly reduce its adhesion ability.
If you are going to use it to deal with small item, cut the tapes with scissor befor tear off the layer.
This is a kind of half-permanent adhesive developed for acoustic foam panels, it is difficult to remove from painted wall after 24 hours. So if used on painted wall, comfirm the location first.

Product description

Remove the double-sided tape from the bottom plate

Attach the tapes on the back of foam panel. It is highly recommended to set 5 tapes in one panel as the picture.

Make sure the wall is clean enough, no dust and no water.

NOTE: you should confirm the location before installation. Because it is not easy to remove after been attached on walls.

Application	Foam panels only. This tape is designed for foam panels, so it works perfect for foam
Material	EVA hot glue and oil paper.
Storage	Store in a normal cool environment，avoid direct sunlight.
WARNING	Keep it away form children, if swallow it accidentally, request for medical assistance immediately.
NOTE	It is not recommended to use it on unstable Rough walls or Powdery walls.