Wide Elastic Fabric or Belting.

Cotton Stretch Belt Two-Tone Black/White

Leatherwork - A Manual of Techniques by Geoffrey West

Fil Au Chinois Linen Cable Extra Glace thread (Waxed Lin Cable Extra)

How-to: DIY a Wide Belt

65cm Female Fashion Black Waistband Wide Waist Elastic Stretch

Bow Elastic Wide Stretch Belt Woven

30200 Knitted Woven Elastic Stretch Fabric Casual Jeans Belt 1-1/4

Black Elastic Belt (4 inches wide)

Wide Belt Elastic (13cm)