I placed an order for Amann serabond 135, 90 and 70from Wawak.com
Comparison for 135 thread, Wawak is definitely cheaper per yard.
Thread exchange $12.89 / 750 yards | 0.0172 / yard
Wawak $18.50 / 3,000 yards | 0.0062 / yard
Check out the deal on Bonded Polyester - Size 138 (Tex 135) - Sand (Amann 7680U) - 4 Oz Spool - 750 Yards at The Thread Exchange, Inc.
www.thethreadexchange.com
Shop for Amann Serabond Polyester Bonded Thread. Tex 135. Extremely durable and resistant to untwisting and UV Rays. Ideal for outdoor applications and multi-directional sewing. Huge selection and lowest prices on over 24,000 Products. Free shipping on orders of $99+
www.wawak.com
I ordered some 2” polyester seat belt webbing too.
Once I get them and try the thread on the webbing, I’ll share more info.