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Insul-Bright Heat-Resistant Batting 45" x 40 yards
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Insul-Bright Heat-Resistant Batting — 45" x 40 yards is the production format of The Warm Company's thermal lining — the widest, longest Insul-Bright for shops and makers producing insulated kitchen goods and bags at scale.
Product Details
Construction: Needle-punched polyester through reflective metalized film — identical to all Insul-Bright formats
Size: 45" x 40 yards — roughly 150–200+ oven mitt pairs or 250–300+ pot holders per bolt
Heat use: Conventional oven/stovetop protection — NOT microwave safe; use Wrap-N-Zap for microwave projects
Storage: Roll storage preferred — the metalized surface can crease if folded long-term
Brand: The Warm Company
Frequently Asked Questions
What does the 45" width unlock versus 22"?
Larger single pieces — insulated grocery bags, casserole carriers, aprons — plus side-by-side nesting of smaller pieces that cuts waste and cutting time dramatically in production.
How much output per bolt?
Approximately 150–200+ mitt pairs or 250–300+ pot holders — shop-retail and craft-fair scale.
Can it do insulated totes and wine bags?
Yes — 45" covers bag panels, gussets, and bases without piecing on most standard patterns.
Why can't it go in the microwave?
Metallic fibers arc under microwave energy — microwave projects need 100% cotton Wrap-N-Zap. The two battings are complements, not substitutes.
Do finished pieces wash?
Yes — warm wash, low tumble; the heat-resistant properties persist through laundering.