Super Load-Capacity: Our three-step ladder adopts thickened steel pipes and thickened and widened pedals with X-shaped metal support to enable the ladder to bear up to 600 pounds. All linkage mechanisms are upgraded to metal riveting technology, making the ladder more stable, solid and durable. Size of the Step Ladder: Open: 40.7" x 29.5" x 18.1", Folded: 44.5" x 18.1" x 2.7", Net Weight: 12 pounds, Maximum Load: 600 pounds. Top standing platform size: 14.2" x 10.4". The middle and lowest platform measure 14.2" x 8.1"; supporting you 28.3" above ground.