Thank you for viewing. This is a lesson bag made by combining a green check fabric reminiscent of Familiar with navy blue fabric. Lined, with a gusset. Outer fabric: Navy twill and Familiar check fabric sewn together. Lining: Navy twill Handles: Acrylic tape, navy The outer and lining fabrics are made of medium-weight twill, making it lightweight and durable. This lesson bag is sized to comfortably fit A4 files. Size: Width: Approximately 40 cm Height: Approximately 30 cm Gusset: Approximately 5 cm Sizes are approximate. Please understand that there may be slight variations due to the handmade nature of the product. I strive to finish each item with care. Thank you for your understanding of handmade items.