BestPet New Adjustable Indoor Wood Construction Pet Fence Gate Free Standing Dog Gate Material: Fir wood, steel Compact Dimensions: 27 x 17.7 x 21" (L x W x H) Expanded Dimensions: 42 x 17.7 x 21" (L x W x H) Bar Spacing: 2" Fits doorways, hallway openings or barrier from 40" to 71"