Hello, thank you for your question about what is the biggest size people do for Permalip. In my Beverly Hills and Las Vegas practice, approximately 95% of my patients undergo the 5 mm Permalip lip implants. Most patients do 5 mm Permalip lip implants for the top and bottom lips. This is the biggest width the company makes. Many of my patient want even bigger lip implants. I have advised the Permalip company several times that they should make bigger lip implants. However, to date, the biggest size Permalip makes is the 5 mm lip implant. I find that the 5 mm lip implant is the best way to permanently augment the lips. Permalip lip implants also reduce or eliminate the need for constant fillers. When seeking Permalip lip augmentation, please seek an experienced, board-certified, plastic surgeon in the neighborhood who has performed hundreds of permanent lip augmentations. Travel out of state if you must. If you have any more questions regarding lip augmentation, please contact my office. Sincerely, Dr. Katzen.