Maximas Black Hair ClipEach clip is unique since the acetate patterns vary differently from clip to clip. The Maximas clip is designed to secure all your hair and look effortless at the same time. Depending on volume and thickness of your hair, select the appropriate size and you can do half updos to full updos like the French Twist and Bun. Note: All the acetate finishes are unique in their own way and each will vary from the other. Measurements: Small: 3. 5", Medium: 4.