Clean design, roll top backpacks in two sizes. Small backpack is 16″ H (41cm) x 8″ W (21cm), large backpack is 18″ H (46cm) x 10″ W (26cm). FABRICS: 1A, 1B, 1C: Cotton/Cotton Blends, Linen. Also 1C: Denim, Synthetic Leather. 2A, 2B, 2C: Synthetic Leather. 3A, 3B, 3C: Cotton/Cotton Blends. Note: Fabric requirement allows for nap, one-way design or shading. Extra fabric may be needed to match design or for shrinkage.