Specification: 100% Brand new and high quality. Material: TPU Color: Transparent Size: 5cm*4.5cm*2cm Lens Thickness: 1-2mm Conversion: 1cm=0.39 inch, 1mm=0.039 inch Features: Made of TPU elastomer material ,environmental protection, non-toxic , wearing soft Mounted on both sides of the glasses safe protection against side of spatter entering the eye Can be used with any protective glasses and ordinary glasses to use Easy installation and removal. Package Included: 2pcs/pair Notice: 1.Please allow 1-3mm error due to manual measurement,Please make sure you do not mind before you bid. 2.The colors may be a little difference for the different monitors displays, please understand.