Adjustable Shoulder Strap: Lengthadjustable strap for hands carrying during performances or practice. Benefits: keeps your hands , reduces fatigue, and quickly adapts to your height and preference. Spacious Opening: Large opening accommodates most cajon drum sizes, providing reliable protection during transport and easy loading and unloading. Durable Material: Made of Oxford cloth that resists dust, stains, and abrasion. Added thickness provides structural support for longlasting use and better shape retention. Versatile Carrying Options: Includes a carrying handle and can be worn as a backpack, enabling easy transport of heavy loads and flexible carry modes to suit different situations. Use scenarios: On stage or during rehearsal: Use the adjustable strap for hands movement while setting up, moving between spots, or playing, then switch to backpack mode to transport gear quickly between rooms. In practice sessions: Carry by the handle or wear as a backpack for comfortable, convenient transport of cajon and related gear to and from the practice space. Traveling between venues: Backpack configuration distributes weight for easier long carries, while the large opening provides quick access and protection for the cajon inside.