Produced exclusively for DesignerCon Hong Kong 2025, this limited-edition poster was presented as a gift to event attendees. Its rarity, tied directly to COOLRAIN’s participation, marks it as a coveted piece for collectors and fans alike. Beyond being a memento, the poster reflects Potball’s essence: a character born from the rounded beauty of Korean design and carrying the motto “Friendship First.” As part of COOLRAIN’s global artistic journey, this edition stands as a collectible that captures the timeless values of harmony and inclusivity that Potball represents.