Insul-Bright Heat-Resistant Batting in the 45" x 40-yard bolt is the high-volume format of The Warm Company's trusted thermal lining — giving studios, shops, and prolific makers the widest, most generous Insul-Bright format for large-scale production of oven mitts, insulated bags, pot holders, and any heat-protection sewing project.
Top 10 Questions About Insul-Bright 45" x 40-Yard Bolt
Q: What makes the 45" wide bolt different from the 22" wide version?
A: The 45" width allows you to cut larger pieces for bigger projects like insulated grocery bags, casserole carriers, and aprons — and to cut multiple smaller pieces side by side from a single width, significantly reducing waste and cutting time for high-volume production.
Q: How many oven mitts can I make from a 45" x 40-yard bolt?
A: At 45" wide and 40 yards long, this bolt provides enough Insul-Bright for approximately 150–200+ oven mitt pairs or 250–300+ standard pot holders — making it ideal for shops, craft fair sellers, and production studios.
Q: Is this the same Insul-Bright as the smaller rolls?
A: Yes — the heat-resistant performance, metalized polyester film construction, and needle-punched polyester fiber content are identical across all Insul-Bright bolt sizes. The 45" x 40-yard format simply provides more material per purchase.
Q: Is Insul-Bright safe for oven use?
A: Yes — Insul-Bright is specifically designed for use with conventional oven and stovetop heat. Always use it with appropriate 100% cotton outer fabrics for full heat protection in finished oven mitts and pot holders.
Q: Is Insul-Bright safe in the microwave?
A: No — Insul-Bright contains metallic fibers that are not microwave-safe. For microwaveable projects, use Wrap-N-Zap 100% cotton batting instead. Insul-Bright is for conventional heat protection only.
Q: Is the 40-yard bolt good value for a longarm studio or sewing shop?
A: For shops that carry Insul-Bright as a retail product or studios producing large quantities of insulated kitchen accessories, the 40-yard bolt significantly reduces per-yard cost and restocking frequency.
Q: How do I store a 45" x 40-yard bolt of Insul-Bright?
A: Store on a standard batting roll holder or roll it loosely and keep in a cool, dry location away from direct sunlight. The metallic surface can crease if stored folded for extended periods, so roll storage is preferred.
Q: Is Insul-Bright washable in finished projects?
A: Yes — finished oven mitts and pot holders made with Insul-Bright are machine washable in warm water and tumble dry safe. The heat-resistant properties are maintained through regular laundering.
Q: Can I use the 45" wide Insul-Bright for insulated wine bags and tote bags?
A: Absolutely — the 45" width is ideal for larger insulated bag projects. It gives you ample width for bag panels, side gussets, and base pieces without piecing the Insul-Bright for most standard bag patterns.
Q: Is this product in stock at Linda's Electric Quilters?
A: Check the current product listing for live inventory. Large Insul-Bright bolts are popular and sell quickly — ordering ahead is recommended for shops and studios that maintain ongoing production.
Produce at scale with confidence — shop Insul-Bright Heat-Resistant Batting 45" x 40 yards at Linda's Electric Quilters.
