Package includes: You will receive 4 pieces of silver-colored 20 mesh stainless steel wire mesh; the wire diameter is approximately 0.4 mm, and the side length of each gap is approximately 1 mm; various functions are available for you to use on multiple occasions. Material and size: The mesh sheets are made of high-quality 304 stainless steel, which is sturdy and durable; each measures 30 x 21 cm/12 x 8 inches, approximately A4 size; note: there will be slight differences in sizes due to manual cutting, but generally, it does not affect the use. These machine-woven metal sheets with evenly distributed and fine meshes are very strong and durable, rust-proof, high-temperature resistant, corrosion-resistant, acid and alkali resistant, and bending is not easy to break; you can bend or cut with scissors to fit the shape and size according to usage needs and scenes, easy to handle and care for. Stainless steel mesh is used to prevent small rodents, such as mice, from entering the house through a hole, or to keep flies and other insects away from windows; suitable for both indoor and outdoor use, such as kitchens, gardens, and more. Contact with food with our metal mesh is not recommended; it has very sharp wire edges, so use it with caution and keep away from children to prevent injury.