What is Insul Bright?

Quilting, Sewing Patterns

What is Insul-Bright? – I know is a product name – but some of my friend would consider this to be something that every serious craft person who works with textile and heat needs to know. It is a material that instantly transforms a crafty textile-art object into something highly functional and usable.

This needle-punched, insulating material is  manufactured by The Warm Company solely with home sewers and crafters in mind.

I am writing about this project in association with the Starbucks Coffee Cup Cozy project that will be posted tomorrow: seamstresses all over the planet now can make their own, as well as pot holders, oven mitts, and casserole covers  and other textile craft projects that are functional and safe with Insul Bright.


What is this Wonderful Craft Material made of, exactly?

Insul-Bright is made of hollow, polyester fibers that are needle-punched both through a non-woven substrate and through a reflective metalized poly film. The result in plain English:

This needled material is breathable and won’t break down with washing. The hollow fibers resist conduction, while the reflective metalized poly film resists radiant energy. 

What this means is that either hot or cold energy is reflected back to its source.

At A Glance
  • Needle-punched Insulated Lining
  • Reflects Heat or Cold Back to Source
  • No Pre-wash Necessary
  • Machine Wash and Dry
  • Made in the US

It is recommended that you use at least one layer of cotton batting with Insul-Bright, when you use them as Oven Mitts or Pot Holders. Just consider that Insul-Bright is heat-RESISTANT and NOT heat-proof, and you’ll get it right.

Where to Buy this Craft Material

To learn more and to purchase Insul Bright, click here:

Insul Bright Lining

I guess when you buy a yard when you need just one or two tiny strips of it, you will be all the more inspired to make many Starbuck coffee cup cozy’s.

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