7-Eleven is one of a handful of U.S. retailers listed on the AAS website selling glasses with the “ISO 12312-1” seal, indicating they meet international safety standards for filters to view the sun directly.
7-Eleven is one of a handful of U.S. retailers listed on the AAS website selling glasses with the “ISO 12312-1” seal, indicating they meet international safety standards for filters to view the sun directly.