Best Flax Upholstery Mattress Twine.
No 3 can be used for stitching fabric and hessian to each other and for loops over hair.
No 4 can be used for loops on hessian and for stitching that require stronger twine than the No 3.
No 6 can be used for stitching edges and other heavy stitching on upholstery including stitching springs to hessian and webbing.
These can come on a 250g ball or per 10m lengths.