While we carry a wide variety of 75 Series Bifold Doors, not every customer has standard openings for our folding doors. At Eris Home Products, we can custom make your folding door our folding window by designing a draft that fits your needs, customize colors and glass if applicaple, and make the perfect bifold door for your home! Besides standard colors that come in black, white and grey, we do have special colors available. Please ask us for a specs sheet! Furthermore our bifold doors and bifold windows have German technology, have safety and security features and come with 10 year warranty.