Beautiful Hardwood Construction New 30" height provides safe containment for most breeds Wide 18" end panels provide stability and prevent tipping. Mission styling compliments most d?cor. Easy sliding width adjustment: Large - from 39.25" up to 72" wide and Small from 28" up to 48" wide. Folds flat for easy storage or transport. Spacing between slats is 1.75". Convenient 2 piece hinge design for easy assembly with no tools. Free standing design - no mounting installation is necessary. Black Finish. Antiskid foot pads add stability for hard surfaces. Lasting durability through top quality mortise and tenon joinery.