Watch The Video HotLaserPecker Pro Magnet Retaining Flap Small Folding Protection Plate Magnetic Protective Shield for Safety Laser Working Features: Material: Acrylic + Metal Laser engraving machine protection baffle Easy to assemble, small and exquisite Specifications: : Laser Pecker Model Number: Pro Type: Laser engraving machine accessories Material: Acrylic + Metal Color: Orange Package weight: 0.6500 kg Package size (L x W x H): 25.00 x 21.00 x 4.00 cm / 9.84 x 8.27 x 1.57 inches Package Contents: 4 x Protective Shields What is a Laser Safety Shield? Laserpecker Laser Safety Shield is made of 4 pieces of dark orange acrylic shields that protect human eyes by reflecting, filtering, and absorbing harmful lasers, while allowing users to see through them. Laserpecker Laser Safety Shield is dismountable and easily storable. Each of these 4 pieces has two magnetic edges, enabling them to be assembled as a cubic laser protective case in no time. How Can I Protect My Eyes from Laser? Direct exposure to Laser radiation can cause irreparable and permanent damage to human eyes, including keratitis, cataract, or even total blindness. Therefore, to protect your eyes, when operating or around lasers that are Class 3b (L1 pro )and Class 4 (L1, L2), it's highly advisable to wear or use laser protective facilities. The most common ones are safety glasses for laser engraving, face shields, and laser safety shields. While the goggles and face shield are usually used by the operator. If there are other persons around, a laser safety shield definitely will be a better option, for it prevents the laser beam from spreading at the source.