Materials- Japanese cotton (KOKKA brand)- Shinmai cotton- Magnetic buttons- Cotton tape (inside bag strap) Size- Bag 18x14 inches- Strap 3x18 inchesHow to clean- Hand wash- Turn inside out for drying- Iron with cotton temperature* The bag strap is strong because it is inserted with cotton tape inside**Every bag comes with a magnetic button inside***Actual colors may differ from photos by approximately 10%