Central Element: Create a minimalist, stylized depiction of an eye to symbolize vigilance and determination. This eye should be rendered in the primary colors of VfB Oldenburg, predominantly dark blue and white. Design the eye to be powerful and penetrating, reflecting the "Sentinel" aspect of their name. Additional Elements: To personalize the design and highlight the connection to football, integrate small, subtle footballs or football patterns into the eye's iris. These could be in gold or another contrasting hue to draw attention while utilizing the team's color scheme. Background: Employ a simple yet effective dark blue background with a slight gradient to add depth and further emphasize the eye. The sticker's border could feature a thin white line to complete the design with a clean finish. Text (Optional): Instead of direct text, consider keeping the design wordless to maintain its universality and timelessness. If a message is desired, a simple yet powerful word like "Vigilant" or "Resolute" could be added in small font at the bottom edge.