The material is silk tsumugi. It's sturdy. It has a navy blue base with a red staircase pattern. It's neat and tidy. It's a large size, so it's convenient and holds a lot. Size: 46cm tall, 48cm wide. This includes a 6cm base gusset. The straps are 3cm wide and about 60cm long. It can be worn over the shoulder. There is a pocket inside. A drawstring bag is included. I think you'll be able to use it in a wonderful and enjoyable way.