Our Nylon vacuum bag is capable of resisting temperatures up to 400 degrees F, is .002″ thick, 60″ wide, is puncture resistant. You can be confident that this is a very strong bag that can be used for vacuum infusion applications. Our vacuum bagging supplies are manufactured in the USA and made from the highest quality materials. Our standard nylon vacuum bag does not stretch so please be aware that you should crease pleats to ensure a full depth coverage within your fiberglass mold. Be sure to take a few moments and look through all of our vacuum infusion supplies to make sure your finished product is everything you’d dreamed it would be.