Gold-Up’s Pre-stretched Aluminum Silkscreen Printing Screens are feature of smooth appearance, free of deformation, Light weight, and durable in use; All of the frames are made of AL6063T5 aluminum alloy material. Welded watertight, ground flat, and sandblasted for excellent adhesion, Stretched with top quality high strength and low elongation monofilament polyester mesh and bonded with highest chemical resistance glue. High quality materials and advanced manufacturing processes insure optimal tension. NOTE: To reuse the screen, clean the frame and mesh after each use High Quality Pre-stretched Aluminum Silk Screen Printing Frames with 160 Count White Mesh Silk Screen Frame Outside Dimension: 20”x 24”; Inside: 17.2”x 21.2”; Tub. 1 3/8″x1 3/8″ Mesh Count: 160 Mesh counts/Inch; Mesh Color: White; Tension: 20-24 N/CM The Mesh Side of Silk Screen Printing frames has been sandblasted, highly solvent-resistant glue Used Silk Screens can be re-stretched repeatedly ensuring long term use.