Simply SP-023 Clear Lacquer Varnish Gloss Aerosol Spray – For Use on surfaces treated & untreated on Metal, Aluminium, Glass, Stone & Various Plastics – 500 ml : Amazon.co.uk: DIY & Tools
PRO-XL Pro 2K Clear Lacquer Aerosol (200ml) - Paint for Cars
GTi Premium Super Gloss Lacquer (Clearcoat) aerosol 500ml - Grove Shop
Halfords Universal Clear Lacquer 500ml | Halfords UK