How to Choose the Right Belting Strapping
By Prymamericas.com: Sewing, quilting, and knitting supplies | Published: 2026-10-29
Category: Buying Guides
Learn how to pick between cotton and polypro belting for your sewing project. This guide covers durability, wash care, and hardware compatibility.
Quick answer
Choose cotton belting for a soft, natural feel and machine-washable bags; choose polypro belting for lightweight, color-fast straps that resist moisture.
Material matters: cotton vs. polypro
Cotton belting is a 100% cotton webbing that feels soft against the skin and can be machine washed in cold water. It works well for tote handles, belts, and any project where you want a natural look. Because cotton absorbs moisture, it may not be ideal for outdoor or high-humidity use.
Polypro belting is made from 100% polypropylene, a synthetic fiber that does not absorb water. It dries quickly and holds its color well after washing. Polypro is slightly stiffer than cotton, which can help bag straps keep their shape, but it may feel less comfortable on bare skin.
Length and project fit
Cotton belting is sold in a continuous 15-yard roll, giving you plenty of material for multiple bags or long belts. Polypro belting comes in shorter pre-cut lengths: a 2-yard piece and a 60-inch piece. If you need a single strap for a small tote, the 60-inch polypro may be enough. For larger projects or multiple straps, the cotton roll or multiple polypro packages are better.
Hardware compatibility
Both cotton and polypro belting are designed to work with Dritz slide adjusters, swivel hooks, and D-rings. The 1-inch width fits standard hardware. If you plan to use metal hardware, cotton’s softer weave can slip through adjusters more easily, while polypro’s firmer structure may require a little more effort to thread.
Decision rules
- Choose cotton belting when: You want a soft, natural-feeling strap that is comfortable against skin and you plan to machine wash the finished item. Cotton is also the better choice if you need a long continuous length for multiple projects.
- Choose polypro belting when: You need a lightweight, water-resistant strap for bags that may get wet or for outdoor use. Polypro is also a good pick if you want a strap that holds its shape and color after repeated washing.
- Check hardware fit: Both materials are 1-inch wide and work with Dritz slide adjusters, swivel hooks, and D-rings. Test the fit before cutting: if the strap feels too tight in the hardware, try a different brand or size. Always cut a short test piece and thread it through your hardware before cutting the final strap length.
Product facts
- 1" Cotton Belting & Strapping, Black, 15 yd: Dritz cotton strapping is 100% cotton, machine washable in cold water, drip dry. Sold in a 15-yard roll. A single roll gives you enough material for several bag straps or belts, and you can launder the finished project without worrying about shrinkage or damage.
1" Cotton Belting & Strapping, Black, 15 yd - 1" Polypro Belting & Strapping, 2 yd: Dritz 1-inch polypro belting is 100% polypropylene, machine washable in cold water, drip dry. Sold in a 2-yard package with color options. Polypro does not absorb water, so straps stay lightweight and dry quickly if the bag gets wet, and the color won't fade after washing.
1" Polypro Belting & Strapping, 2 yd
Which one fits your project?
Best for
- Cotton belting: soft bag handles, belts, and washable everyday totes
- Polypro belting: lightweight beach bags, gym bags, and any project exposed to moisture
Not for
- Cotton belting: outdoor gear that gets wet regularly
- Polypro belting: projects where you want a soft, skin-friendly strap without a lining
