This is Marjorie from China Mainland. I get to know you from the internet. We produce Black Welding glass, Clear Welding Glass, CR-39 and Electroplated Glass for Auto Welding Helmet as well. We have been in this file for more than 20 years, and our products have got the CE certificate. Here I would like to list some sizes for your kind reference: Dimensions: a) Model 1: 1) 108 x 50 x 3mm 2) 105 x 50 x 3mm 3) 110 x 50 x 3mm 4) 100 x 50 x 3mm 5) 110 x 51 x 3mm b) Model 2: 1) 108 x 83 x 3mm 2) 110 x 90 x 3mm 3) 110 x 80 x 3mm c) Model 3: 133 x 113 x 3mm