This is the jumbo version of the classic Vac-U-Lock suction cup accessory. This extra-sturdy suction cup base is specially designed for optimal use of the largest Vac-U-Lock attachments and topped with the Vac-U-Lock plug. Guarantees stable hands free play with every attachment in the Vac-U-Lock system. The cup firmly affixes to any smooth surface, and features a molded pull tab for easy removal.