Flip charts with strong sturdy finish that folds down for easy storage Flip chart style desktop calendars also available to your specifications. A2, A3, A4, A5 flip charts with 35mm spine. A4 executive flip chart 35mm spine, D4, nero lupa on outer cover with gold corners, and handle optional. A3 executive flip chart 40mm spine, D4, nero lupa on outer cover with gold corners and handle.