Soft Bonded Nylon Thread Medium Weight - B. Black & Sons Fabrics

Best for trouser seat, and side seams. Available in various colors. 4 oz. cone, Size #Z33

Selric [1500 Yards/Coated/No Unravel /21 Colors Available] Heavy Duty Bonded Nylon Threads #69 T70 Size 210D/3 for Upholstery, Leather and Other Heavy Fabric (Khaki)

White Performance Soft Shell Woven with a Fleece Back - Water-Repellent - Other Fabrics - Fashion Fabrics

Cotton covered Polyester, dual duty. The most popular thread used by tailors., Available in 2,000 or 6,000 yard cones in a variety of colors., Tex

Polyester/Cotton Dual Duty Thread

Amann Strongbond Nylon Bonded Thread - Tex 35 - 9,842 yds. - WAWAK Sewing Supplies

Black 600x300 Denier Recycled PVC-Coated Polyester Fabric

Extra Strong Bonded Nylon Upholstery Thread, Hobby Lobby

Size: T70 #69 210D/3 ;1500 Yard Per Spool ; Color: Black. Material: high-strength nylon, high tensile strength, wear-resisting. Smooth Stitching, Will

Haobase Black Bonded Nylon Sewing Thread 1500 Yard Size T70 #69

Coats and Clark™ Professional Upholstery Thread in Black is an extra strong thread for machine and hand sewing of upholstery and heavy-weight fabrics.

Coats & Clark™ Professional Upholstery Black Nylon Thread, 1500 Yards 15 Weight

Bonded Nylon Thread

Bonded Nylon Thread for Sewing Leather,Upholstery,Jeans and Wig; #69 T70 Size 210D/3 1400 Yards (Silver)

Maxi-Lock Stretch Serger Nylon Thread - Tex 30 - WAWAK Sewing Supplies