The bag is called "endless bag" and the designer is a Japanese artist, Sakurako KANEKO for MoMA (Museum of Modern Art NYC) Design Store. The Sacrasac is a bag system where you can zip multiple panels together to change the size and color scheme for your tote. Inner pouch attached to top section with snap buttons. Colors: Grey Black Green Purple Approximate measurements: 9” Strap Drop 11”W x 12”H x 4”D Standing 15” Widest across when laying flat Pre-owned. Excellent condition. Sold as is.