Based on this product's specifications, here are some alternatives and similar models
Standing Mat Mousetrapper Active Standing Mat — rectangular, black, 740×450 mm, 1.8 cm thickness
Summary description:
Mousetrapper Active Standing Mat is a rectangular anti-fatigue mat in black made from polyurethane and rubber. Measuring 740 × 450 mm with a 1.8 cm thickness and weighing 0.875 kg, it provides cushioning for standing workstations and reduces leg and foot strain. Suitable for office or home standing desks to improve comfort during extended standing periods.