Based on this product's specifications, here are some alternatives and similar models
Highlighter Edding 345 set, 6 colors, pocket case — Edding 345/6S
Summary description:
Edding 345 highlighter set contains six fluorescent marker colors in a compact pocket case. Designed for marking text, notes and documents, each marker delivers clear, consistent strokes for highlighting and organizing information. Suitable for office, study and school use; includes practical storage for transport and quick access to multiple colors.