Based on this product's specifications, here are some alternatives and similar models
Medicine Ball TKO K509 8 kg — weighted exercise ball for strength and core training
Summary description:
TKO K509 medicine ball, 8 kg, designed for functional training, core strengthening, rehabilitation and explosive power exercises. This weighted exercise ball provides a compact, durable option for slams, throws, partner drills and conditioning circuits. Suitable for gyms, physiotherapy studios and home use where weighted dynamic or stability work is required.