Based on this product's specifications, here are some alternatives and similar models
Exercise wheel with mat Springos ACT0111 — steel/ABS/PP, wheel Ø15.5 cm, max load 100 kg, non-slip handles, knee mat 34×17×0.8 cm
Summary description:
Exercise wheel with mat Springos ACT0111 is a compact ab roller constructed from steel, ABS and PP with foam-covered non-slip handles. Wheel diameter is 15.5 cm, thickness 8.5 cm and total handle length 24.5 cm. Designed for core and abdominal training with a maximum load of 100 kg. Includes a 34×17×0.8 cm knee mat for comfortable use and portable home workouts.