Based on this product's specifications, here are some alternatives and similar models
Bathroom shelf Springos HA7541 stainless steel triangular 3-tier, black, shelves 25×25 cm, max load 9 kg
Summary description:
Springos HA7541 is a triangular 3-tier bathroom shelf in black stainless steel with three 25×25 cm shelves and a total height of 58.5 cm. Designed for wall mounting, it includes dowels, screws and a screwdriver for self-assembly. Maximum total load 9 kg (approx. 3 kg per shelf). Protective edges and transparent shelf covers provide spill protection and stability for toiletries.