Pure Copper Mesh Screen Roll #20Mesh-Size:15.7"x47.2" 99.9%-Copper Wire Mesh Screen for Vents,Window Screen,DIY Grounding Mat, Art Project,Keep Insect Away ...What You Get : You get one roll Pure Copper Mesh Screen Size: 20mesh (Aperture about 1mm, Wire Diameter about 0. 25mm),Each roll of mesh is 15. 7"x47. 2"(40x120cm). Premium Quality: Our mesh is made of solid pure copper, which has possess the characteristic of rustyproof and stainproof. Multiple Uses: Pure copper mesh can used for vents,window Screen,DIY grounding mat, art project,keep insect away ,filling cracks and holes. Also Pure copper mesh can