Calocloth is a medium sized 15cm x 20cm professional quality microfiber lens cloths which will be easy fit inside your spec cases camera bags and pockets it is a lab standard calotherm microfiber cloth as used by professional opticians and photographers to clean all types of lenses and instruments it has got superior cleaning formula and removes grease rather than just pushing it around suitable for bull binocularstelescopes bull cameras bull television screens bull mobile phone