Based on this product's specifications, here are some alternatives and similar models
Smartphone protective jelly case Mercury for Samsung Galaxy S9 G960, soft-feeling, Pink Sand
Summary description:
Soft-feeling Mercury Jelly Case designed for the Samsung Galaxy S9 (model G960). This slim protective case has a flexible jelly construction that cushions against minor drops and scratches while preserving access to ports, buttons and camera. Finished in Pink Sand, it offers a comfortable grip and simple daily protection for your phone without adding bulk.