MATURE4K.com is an adult video website. The models portrayed on this site are all at least 18 years old. All content on this site is protected by copyright and is owned or licensed by the company. As a parent, you have the right to block access to the site and its contents. This means that you cannot use your parental control software to block the website. However, if you do not want your children to see the videos on this site, you can set up parental controls to prevent them from watching them..