This product is either discontinued or we cannot get that from suppliers.
MakerBot 900-0056A Tough Filament for SKETCH Classroom 3D Printer 4-Pack, Filament Diameter 1.75 mm, Filament Material PLA Tough, Filament Properties None, Color Black, Gray, Orange, White, Compatibility MakerBot Method, MakerBot Method X.
Create durable and strong 3D printed prototypes and fixtures with Sketch 1.75mm Tough Filament 4 Pack from Makerbot. Made from a precision thermoplastic, this material offers twice the impact strength of ABS material.