These solar eclipse glasses conform to all safety standards, enabling users to watch the eclipse without damaging their eyes. Instructions for proper use are printed on the inside of each cardboard frame, ensuring that every wearer understands proper viewing etiquette. These eclipse glasses are CE certified, ISO approved, and independently tested to ensure they meet the demanding specification required. Every pair of glasses is made to block out 100% of harmful UV and infrared as well as 99.999% of intense visible light. This provides all the protection you need for safe viewing; sunglasses are insufficient protection when eclipse viewing. These solar eclipse glasses are suitable for adults and children.