It's sturdy and good to use when traveling lightly or exercising. Hello, customer. Thank you for your valuable review. GVG is happy that our customers like it! Mystery Wrench has good storage capacity and various designs. It is a brand that is optimized for travel or exercise due to its high usability! If you visit GVG often in the future, We will strive to provide customers with a highly satisfying shopping experience :) thank you have a good day!