Based on this product's specifications, here are some alternatives and similar models
Zagg Crystal Palace case for Galaxy S26 Ultra — transparent graphene cover, for 6.9" screen
Summary description:
Transparent Zagg Crystal Palace cover for Samsung Galaxy S26 Ultra, designed for devices with up to 6.9" (17.5 cm) screens. Made from graphene material for slim protection, it preserves device appearance while shielding against scratches and everyday wear. Precise cutouts ensure access to ports, buttons and camera, suitable for daily use and safe handling.