Based on this product's specifications, here are some alternatives and similar models
HMS PST02 Slam Ball 2kg
Summary description:
The HMS PST02 Slam Ball is a durable 2kg training ball designed for high-intensity functional workouts, cross-training, and explosive power exercises. Its non-bounce construction and robust outer shell ensure safety and longevity during slamming movements. Ideal for improving core strength, coordination, and cardiovascular endurance in both home and professional gym environments.