Behind the Seams-Microwrap-No Scrim Batting- Put Up 10 Yards Application: Sew in quilt batting interfacing that adds loft and body. Recommended to use sewing machine to join batting with fabric. Usage: MicroWrap is a microwave-safe item crafted from natural cotton batting. In the microwave, it retains moisture effectively, helping to create perfectly baked potatoes or nicely steamed corn on the cob. It’s also great for warming rolls and tortillas. Care Instructions: May shrink by 3-5%. To minimize shrinkage before use, we recommend soaking the batting in hot water for 20 minutes.