Unwaxed and unbleached, this 35/3 gauge Linen Thread is perfect for bookbinding. The thread comes in 50 yd. spools.
Colophon's Best Linen Thread — Colophon Book Arts Supply
Seine Twine
Bookbinding supplies
Ivan Leathercraft Craftplus® Premium Linen Thread, 0.55mm (1/64)
Bookbinding - Thread & Needles - John Neal Books
Books by Hand, Natural Waxed Linen Thread, Three 20 Yard, for Leather Sewing, BBHM206
Threads for leathercraft Mollies Make & Create NZ – Mollies Make
Linen Thread ~ Natural ~ in Lengths of 1.6m
100g 2mm Hand Woven Cotton Thread Plain Style Linen Thread Knitted
Lineco/University Products Bookbinding Needles - RISD Store