Single Layer

they are not

Tips for removing blue & gold stains from chrome pipes:

it is non-streaking and will provide protection

P6722 Loud Pipes Save Lives Skull Patch Doc Baileys Single LayerLoud Pipes Save Lives Skull Patch. Loud Pipes Save Lives Skull Patch measures 3. 9x4 inches and is Embroidered in Black White Gray. The Small can be sewn on or ironed on to clothing. The Loud Pipes Save Lives Skull Patch features plastic iron on backing and clean laser cut embroidered borders. 3. 9x4 inch. Embroidered Patch for Clothing Velvet Fabric. Plastic Backing with Japanese Iron on Glue. 100% Rayon Thread Synthetic Embroidery. Sew on the Patch