Products > Dogs> Exercise Pens> LifeStages A.C.E.> Split Walk-Thru Door> 24" LifeStages Black Exercise Pen w/Split MAXLock Door 24" LifeStages Black Exercise Pen w/Split MAXLock Door Model: 524SDR Weight: 19 lbs.Includes secure, safe and convenient MAXLock technology, innovative split walk-thru door, (8) 24" x 24" panels, durable black finish and (8) ground stakes. Where to BuyBack to Products