ToteOlogy is the smart and safe way to carry yur favorite rulers and notions! The multiple pockets are clear for easy identification and designed to hold a wide variety of tools. The inner pocket is large enough to hold a cutting mat and your favorite sewing notions. This black bag measures 28.5" X 21.75" with a 21" strap. It is made of polyester and heavy gauge vinyl for durability. It will become your favorite bag for your on the go projects!