8K: This refers to the number of ribs in the frame (8 ribs). More ribs generally provide better structural stability and resistance to wind compared to 6-rib models.
Pongee Fabric: A high-density fabric popular in umbrellas because it is durable, lightweight, dries very quickly, and holds prints (like the grids, lemons, and stars) very well.
"Weather-all" / UV Coating: The umbrella is treated to be both waterproof for rain and equipped with a reflective or light-blocking inner coating (often silver or black) to act as a parasol against harsh sunlight.