Do you already have the AAA Playground Sound Sponge Quiet Dividers? You may want to consider the AAA Playground Quiet Divider Square Corner Post as an add-on accessory that is both functional and beneficial. This 4-sided black metal post is designed to brace the corners of the dividers, especially when corners of different dividers meet. With this corner post you are able to create even larger divided areas that will have extra support in standing. The corner post also makes creating square sections easier as creates a corner for the dividers to meet. Up to four Sound Sponge Quiet Dividers can be attached per corner post. The magnets in the Quiet Dividers easily connect with the metal corner post to create a sturdy spot for the dividers. You will be thankful for the extra support from the AAA Playground Quiet Divider Square Corner Post as children can easily run into the dividers during play.