Brand: SC Size: 100mm x 315mm x 3mm (2 sheets) Material: Domestic long-established aluminum composite panel... Uses foamed polyethylene resin (white) for the core material, and achieves weight reduction by making the aluminum surface material as thin as possible. Lightweight: Lightweight and highly rigid due to the aluminum resin composite panel. Safe: The aluminum resin composite panel will not break even if impacted. Laminated for waterproofing. Dust and dirt can be removed by wiping with water. Processing: Silk screen printing (using outdoor long-term weather-resistant ink), 4.8mm holes drilled in 4 corners for easy installation, safe rounded corners. Quality Guarantee: Our products come with a quality guarantee, so please feel free to contact us if you have any problems.