1,perforated plated mesh 2,hole:diamond, square, round, triangle, fish scale, hexagon ,leaf 3,non-slip Perforated plated mesh Metal material: iron, stainless steel, copper, aluminum, galvanized zinc. Nonmetal board: plywood, fiberboard, dense board, plastic board and rubber board. Hole forms: diamond, square, round, triangle, fish scale, hexagon and leaf etc. Features: light weight, non-slip, ...