1-Light transmission: 90% 2-Color: Transparent, Sky-Blue, Yellow & Purple. 3-Material: Outer ply: PE + Anti-UV additive; Middle ply-warm keeping layer: EVA+ PE; Inner ply: 80% EVA. You are free to contact us by any way below: China Longyoung Greenhouse Industry Company Limited, Tel: 0086-592-5653912 Fax: 0086-592-5751941 Email: greenhousekits( at) gmail.com MSN: lygreenhouse( at) hotmail.com Web: http: / / www.cnlongyoung.com