Academy Series Portfolio with Shoulder Strap - 23 x 31 x 1-1/4 Inch - The Academy Series portfolio is constructed with an all metal frame and extremely durable woven polyester. The exterior and interior pockets are designed to hold a variety of artist materials and keep all of the contents secure. Each case includes a shoulder strap and a formed handle to make transporting art materials easy and comfortable. Measures 23x31 inches by 1-1/4 inch deep. There is an outer pocket, another two pockets inside, and elastic bands that clip on the inside to hold your artwork and materials secure.