- Clear finish: HiClear™ is a favourite choice when you need to display a title page with crystal clear clarity. - Choice of thickness: whether you need to protect, enhance or display your document, there’s a GBC HiClear™ cover to suit your needs. Choose a heavyweight cover such as 300 micron for frequently handled documents. - Range of sizes: HiClear™ Covers are available in A4, A5 and A3 size options. - Flexible quantities: HiClear™ Covers are available in packs of 10, 20, 25, 50 and 100 to suit all volume requirements.