The Zumba Shaker Hand Weights are a set of 2 plastic weights, each weighing 1 lb, designed for fitness toning. The green weights have a size of 11 inches in length and 2.5 inches in height, making them suitable for both gym training and weight lifting. The set includes a guide, original box, and is branded by Zumba Fitness, making them a convenient and effective tool for strength training for both men and women.