Based on this product's specifications, here are some alternatives and similar models
Protective bumper HOCO for Apple iPhone 6 / 6s Blade Series metal silver — slim metal frame
Summary description:
HOCO Blade Series metallic bumper for Apple iPhone 6 and iPhone 6s provides edge protection with a slim metal frame in silver finish. Designed to shield the phone's sides from knocks and scratches while maintaining access to buttons, ports and camera. Lightweight and low-profile, it preserves the device's original look while adding basic impact protection for daily use.