Rong Do 118 Watermelon Seed is a high-yield watermelon variety developed and produced in Vietnam, suitable for commercial cultivation and fresh market supply. With a short growth cycle of 65–70 days, it delivers stable yields of 30–40 tons/ha, producing uniform fruits weighing 3–5 kg each. The variety features strong and fast growth from the seedling stage, durable green foliage until harvest, and good resistance to major pests and diseases. Rong Do 118 produces bright red flesh with good sweetness (11–13° Brix) and minimal or flat seeds, making it well-suited for domestic consumption and export-oriented sourcing.