Glassguard™ (Nanoflex® VP12) and Pre-Clean Combo pack £10.00 Glassguard™ gives non-absorbent, mineral surfaces such as glass, ceramic, stainless steel, polished porcelain or polished natural stone a reliable non-stick easy-clean performance. Once applied, a protective layer of approximately 120-nm bonds with the substrate to leave an anti-stain, anti-fingerprint top layer. For best results use with Pre-Clean PC Surface degreaser. Coverage 1l/100m2 N.B All 1 litre bottles are shipped with a tamper evident screwtop. Trigger sprays are available to purchase.