Star Products Portfolios 23-Inch by 31-Inch is made from 100-Percent recycled fiber and 30-Percent post-consumer waste. The steel riveted and mylar reinforced webbed handle provides a secure and easy way to carry your work. It features a folded gusset that expands up to 2-Inch for extra storage. Earth Friendly Portfolios are 100-Percent recyclable and is the perfect solution in protecting your valuable work from the elements for years to come