White insulator ring?

[Sed6]

Can you all point me where to find white insulators for inside the sleeves? I ordered the ones below and they are too large as they are designed for going on top of the cell.

 

[Wolf]

You want the 17mm * 10.5mm * 0.3mm.

Here is a site where they have all and any insulator



https://www.aliexpress.com/item/328...earchweb0_0,searchweb201602_,searchweb201603_

Wolf