It is the same size as the dedicated case that comes with the WO tenor, and can be used as both a hand-held and a backpack. It boasts high durability and is compatible with both the integrated and detachable types for the soprano. Both soprano and alto saxophones can be stored, including Yanagisawa models as well as some models from major manufacturers (although some models cannot be stored, so please be sure to check before use). - When using it as a backpack, you can protect your precious instrument and its case from rain by using the included dedicated rain cover. - Can be carried by hand or used as a backpack. The shoulder straps for the backpack are cushioned to reduce strain on the shoulders when carried on the back. - Uses YKK waterproof zippers. - The external pocket, convenient for storing sheet music and other items, is full-sized with a gusset and has excellent storage capacity (with an internal pocket). - The soprano can also be stored with the bell-storing stand. - There is a dedicated storage space for the neck and mouthpiece. -It also has a lidded pocket where you can store small items such as leads and straps. External dimensions: Approximately 87 x 35 x 20 cm (including handle) ■Weight: Approximately 5.0kg ■ Comes with a dedicated rain cover