Wheelchair accessible. Bolt together design for ease of construction and relocation. Emergency panels for rapid shelter exit. Quick manipulating locking mechanism works in conjunction with a latch/key lock. Quick release sliding door design allows opening when blocked by debris and reduces space. Shielded air vents allow uninterrupted air flow. Door opening is 37.5 in. Up to 20 person private/12 person business. Bench, shelf, gun rack and additional interior accessories available. Swisher ESP Sa