Based on this product's specifications, here are some alternatives and similar models
Case Raspberry Pi RB-ALUCASEP5-08 for Raspberry Pi 5 91×34×65 mm Black
Summary description:
Protective case accessory for Raspberry Pi 5 compatible with model RB-ALUCASEP5-08. External dimensions 91 × 34 × 65 mm, designed to house and protect the single-board computer while allowing access to ports and connectors. Suitable for development, prototyping, lab work and compact installations where board protection and tidy mounting are needed.