Based on this product's specifications, here are some alternatives and similar models
Car GPS Case BLOW GPS50YBT protective etui for navigation device
Summary description:
Protective etui for a navigation device designed for the BLOW GPS50YBT model. Provides a fitted cover to safeguard the GPS unit from scratches, dust and minor impacts while in use or transport. Suitable for in-car storage and carrying, it maintains access to screen and controls and helps prolong device lifespan by reducing wear.