[Quality Item] - Brand New Notebook Palmrest Upper Case keyboard Touchpad Assembly Replacement Parts for Lenovo Chromebook 300E Gen2 AST US. ^^ [Compatible Model] -- for Lenovo Chromebook 300E Gen2 AST ^^ [Part Number] - 5CB0Z21541 ^^ [Note] - Please check the pictures and part number carefully to make sure that you are ordering the correct one. ^^ [Warranty] - FOCUS provide a 120-day warranty against any manufacturer defective such as dead-on arrival (DOA), lines, video failure, and backlight outage.