As you approach a notions counter you will notice different labels on the elastic. Look at the weight or thickness of the elastic and relate it to the project at hand. A heavy denim fabric is going to require a heavier and stiffer elastic that a tee shirt weight fabric. Understanding the labels is the first step to knowing the difference in the kinds of elastic.
The widest variety of widths of elastic will have packages labeled knit or braided.
Braided elastic is lightweight and it narrows or curls when it is stretched. It can be inserted in a casing or sewn directly to the wrong side of the fabric.
Knitted elastic resists curling when stretched but it is not a non-roll elastic. Knit elastic is a soft and comfortable option. This elastic maybe suitable for swimwear. Always check the information on the packaging.
Packaged elastic is available where sewing notions are sold and the labels will guide you to know if the elastic in that package is suitable for the job at hand. A well stocked sewing fabric store may also have elastic by the yard on spools. This is often the only way to find elastic in various colors and unusual designs.
Visiting a garment district is the best way to find a vast assortment of colors and types of elastic. Before you decide to stock up on elastic to have in your stash, remember that elastic does age and can lose its elasticity.
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