Fairfield Solarize Liner Fabric Roll – Thermal Insulating Fabric, 50% Polyester 50% Aluminum, White 22x20 Yards

Get ready to make stuff that actually stays warm or cool! This Solarize Liner Fabric is like a secret weapon for crafters. It's a blend of 50% polyester and 50% aluminum, and it works as a thermal barrier—keeping heat in or out depending on how you use it. The shiny side can face in or out, so you get to choose the look. The roll is huge (22 inches by 20 yards), so you'll have plenty for big projects. It’s perfect for lining things like lunch bags, can cozies, pillows, jackets, curtains, or even outdoor gear. It’s safe to sew, easy to work with, and totally machine washable. Whether you're a DIY pro or just getting started, this fabric makes your projects more functional (and way cooler). No more lukewarm drinks or chilly toes—just clever crafting!