Choose the right small glass square plate by its intended use and size. For serving, select a plate with a stable base and appropriate capacity to hold finger foods or desserts; for decor, prioritize clear glass with even edges and a clean, minimalist look; for gifts, consider a classic shape and a neutral finish that blends with most tableware. Check edge finish and thickness to balance handling comfort with durability, and make sure the style matches your existing glassware. Brand-wise, generic options offer affordable, everyday-quality choices while preserving a timeless square silhouette.