Based on this product's specifications, here are some alternatives and similar models
Silicone phone case iLike for Xiaomi Redmi A5 — Black
Summary description:
Soft silicone phone case by iLike, designed for Xiaomi Redmi A5 in black. Provides basic protection against scratches, minor drops and daily wear while preserving access to buttons, ports and camera. Slim, lightweight design keeps the phone's shape and grip, suitable for everyday use and commuting. Easy to install and remove for cleaning.