Black Tyvek® pre-cut by Tandy into an easy-to-use 3 ½” x 10’ strip. Excellent for making interior wallet pockets for credit cards without bulking up your finished product, Tyvek® is lightweight and strong, with a thin, fabric-like texture. Water and abrasion resistant, it will not tear or fuse when wet. Great for use in all styles of small leather goods. White on reverse.