This Dreambaby Swing Close Gate comes with two 3.5″ extensions allowing it to fit an opening of 28″-39″. It is pressure mounted and very easy to install. The door opens in both direction and will swing closed automatically. The door can be easily opened by adults with one hand. It is 29′ tall. The larger extensions are available to purchase separately. This gate will accept a maximum of two extensions only. The gate does come with mounting cups for optional use.