Wonder Dots 20mm 20 pack
Used to strengthen the fabric where you are going to put a push button, bead or an eyelet ring to prevent the fabric from tearing during use.
Sold in 20-pack.
Pre-steam the fabric with steam to avoid later shrinkage.
Let the fabrics dry again.
Then place the insert with the coated side on the wrong side of the fabric.
Then cover with a damp cloth and press with the iron for about 6 seconds.
Iron setting: 2 dots, wool