Based on this product's specifications, here are some alternatives and similar models
Medicine Ball No name 1 kg — weighted exercise ball for strength and rehab
Summary description:
Medicine ball No name 1 kg — a compact weighted exercise ball designed for strength training, core conditioning, balance work and rehabilitation. Weighing 1 kg, it suits beginner to light-resistance workouts, functional movements, throwing and catching drills, and physiotherapy exercises. Portable and easy to grip for home, gym or clinic use.