Linen Upholstery/Mattress Twine No 3 and 4
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.
A British made twine.
These come on a 250g balls.