• Certified under the international standard EN ISO 12312-2:2015 for safe and direct solar observation. • Total protection against ultraviolet (UV), infrared (IR) radiation, and harmful visible light. • High-quality black polymer filters that offer a sharp image of the sun in natural orange color. • Sturdy and lightweight cardboard frame with an ergonomic design suitable for adults and teenagers. • Each unit includes safety instructions and usage warnings printed on the back. • Pack of 10 units ideal for family observation, school groups, or astronomical events. • Suitable for safely viewing solar eclipses, sunspots, and planetary transits.