Based on this product's specifications, here are some alternatives and similar models
Knee pads Topex 82S162 — rubber protective pads, durable lightweight construction
Summary description:
Topex 82S162 rubber knee pads provide protective cushioning for work and DIY tasks. Made from durable, lightweight rubber, they fit over knees to reduce pressure and abrasions when kneeling on hard surfaces. Suitable for construction, gardening, tiling and maintenance work, they offer practical protection and improved comfort during prolonged kneeling.