Open box The Wrist Trainer Ball Arm Workout by TINRIEF is a versatile fitness tool suitable for both men and women. Its sleek white design with black accents adds a modern touch to your workout routine. Made of durable plastic, this 360° hand-cranked ball is perfect for arm exercises, promoting strength and flexibility in your upper body. Ideal for gym and training activities, this unisex wrist trainer is a convenient addition to your fitness arsenal.