This intermediate level backpack converts into a cross-body bag and features a top hand & adjustable strap, side magnetic straps, interior zip pocket & slip pockets, and a magnetic snap flap closure. Material Requirements Include: 1/3 yd for main exterior; 2/3 yd for flap, lower exterior, top handle, straps, and tabs; 1 yd of interior; 2-2/3 yds 20" wide cotton woven fusible interfacing (EQ code: PEFUFETH); 1-1/4 yds 20" wide sew-in foam stabilizer (or 1/2 yd of 58-60" wide sew-in foam stabilizer or one 18"x58" pre-packaged piece), such as Bosal Craftex, Pellon Peltex, or ByAnnie's Soft & Stable; 1/8 yd (or scrap) extra firm 1-sided fusible stablizer such as Bosal Craftex or Pellon Peltex; 1/8 yd or small scrap thin, firm fusible interfacing such as Pellon Decor Bond; (3) 1/2" (14mm) magnetic snap closure sets; 4 D-Rings with a 1" inside width; 2 Sliders with a 1" inside width and at least 5/8" inside height; and (1) 12-14" zipper. 'Izzie Convertible Backpack', pattern by Lisa Amundson of Around The Bobbin. Finished size is about 12-1/2" x 9-1/2" x 4".