The Safety Helmet Stress Shape is a fun and practical stress-relief item, designed specifically for construction, engineering, and safety-related industries. Made from high-quality polyurethane foam, this helmet-shaped stress ball is lightweight, durable, and easy to squeeze, making it a great promotional giveaway for employees, clients, and trade shows. Features: 18D,38D. Colours: Black, Red, Blue, Orange, Green Size: 8 (w) x 7 (h) cm