1.Strong Compatibility: 1.75mm Diameter, Universal Compatible with Diverse FDM 3D Printers in Market, 1.75mm Diameter, Universal Compatible with Diverse FDM 3D Printers in Market,Melt well and Feed Smoothly, Silk-Like-Feel - Silky Shinny with Silk Luster, Giving Smooth, Pearly and Unique Touch 2.100% Tips: All of Our Filament are 100% before Package Opened, Pls Insert Free End of Filament into Spool Holes to Avoid Being Tangled for Next Time Use 3.Extra Gift: One Premium Quality Bottle of Solid Stick for Your 3D Printer Bed, Pack and Ship Together Colour:Gray Material:PETG Package Contents: 1roll x 3D printer consumables Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.