Use Annie's Soft and Stable Polyester Foam Stabilizer in place of traditional batting or other stabilizers. This stabilizer offers stability and long-lasting body for a professionally finished look. Since it's super lightweight, you can easily sew through it. Made of 100% polyester, this Foam Stabilizer is soft to the touch, washer/dryer safe, and can be ironed on medium heat. Annie's Soft and Stable Polyester Foam Stabilizer measures 72" long by 58" wide and is approximately 3/16" thick.