Units of Eclipse viewers - ISO Compliant & CE Certified for Direct Solar Viewing - 8 X 13 cm 
They don't come with lanyards. 
 
This bundle is for small organizations or resellers that aim to get small amount but for great price.  
Free regular shipping on all orders inside Portugal.
 
A solar eclipse is one of the most unique astronomical events you can witness from planet earth, but the event can be dangerous to view without the proper eyewear. Sol & Salvo supplies solar eclipse viewer eyewear that protects your eyes and lets you view eclipses with exceptional detail. Our paper eclipse viewer eyewear is a great option.