Calotherms calocoat lens spray is perfect for coated and polycarbonate lenses calocoat is the strongest cleaner in the range and is recommended for stubborn residue build up it is designed to also provide an antistatic guard it is a heavy duty multi purpose lens cleaning spray for coated surfaces the handy 220ml spray is an ideal travel size which can be carried in any sports eyewear case suitable for bull glassessunglasses bull screens bull phonestablets bull optical lenses