organizer and shockproof design for small items made of iron

Protective sleeve for paper certificates: made of cardboard, making it durable. Suitable for paper certificates. Certificate sleeve: rounded corners and smooth edges prevent scratches on the skin; document holder. Protective sleeve for certificates: made of paper, making it durable. Certificate folder: made of high-quality cardboard and robustly constructed; suitable for storing award certificates. Certificate holder: gold-embossed, concave-convex design, luxurious texture, exudes magnificence.