perforated lay-in type ceilig Feature Material high quality aluminum ceiling Type square clip in or lay in Thickness 0.35mm-1.20mm . Normal color 40 different colors available (angle: oblique angle or right angle) Surface processing ordinary glossy, high glossy, transfered and laminated. Non-standard sizes available according to customers' requests Item Size Thickness Color Ceiling Type 1 300*300 0.5-0.8 metal white clip in/lay in 2 600*600 0.5-0.8 metal white clip in/lay in 3 300*600 0.5-0.8 metal white clip in/lay in 4 300*1200 0.6-1.2 metal white clip in/lay in 5 600*1200 0.6-1.2 metal white clip in/lay in