This is a Japanese kimono accessory, which is a traditional clothing item in Japan.
The accessory is made of red silk and has a classical pattern on it.
It is designed to be worn with a yukata, a traditional Japanese garment for women.
The accessory is used to tie the yukata at the waist, creating a beautiful and elegant look.
It is a symbol of Japanese culture and tradition, and it is often used during formal occasions such as weddings or tea ceremonies.