10 pcs/set transparent credit card size 3 x magnifier magnification magnifying fresnel lens reading magnifier magnifier lens

100% brand new and great for reading small newspaper print or books and its handy credit card size makes it convenient to carry in your wallet for easy access for reading restaurant menus. also great for small solar projects and starting camp fires - a great additional to any emergency or survival tool set. made from plastics 10pcs 3x magnifier magnifying fresnel lens