RRichell Expandable Pet Pen with Floor Tray: * Recommended for dogs 8 to 27 lbs. * Dimensions: 62.2" x 22.8" x 23.6" * Wire door is 12-1/4"W x 15-3/4"H * Side door is 26"W x 11-1/2"H * 1-1/8" space between wire slats * Wire is 7 gauge (0.144") * Inter-locking corners provide extra frame support; lift "n" lock side door provides easy access to bowls or training tray; expandable floor tray expands with the pen; easy to assemble; instruction manual included