Piping can be made with or without filler cords. The overall width can be made to suit customer requirements.
Various filler cords are available from small threads to large soft or firm materials such as cotton twine, cable cord, PVC, or jacket cords.
The sewing allowance varies for different styles and can range from 1/8” to ½”. Slashing or an assortment of pinking sizes is also available for ease of turning.