Welt Cord (Piping)
Welt Cord, Cotton Welt Cord, Cushion Piping
Welt Cord - The size 5/32 is the most popular size of welt cording. You could call it the standard. Cotton welt, jute, tissue, plastic and double welt. Best to cut fabric for welt on the bias to ease sewing and prevent waving. 5/32" is the most commonly used for furniture and auto upholstery.