Abstract: An end seal device of a linear guide includes a main plate and a cladding member. The main plate includes an upper portion, two engaging portions extending downwardly and bent rearwardly from the upper portion, and two lower contact portions extending downwardly from the engaging portions and each having a penetrating hole. The cladding member includes cladding portions respectively attached to major surfaces of the main plate, and two filling portions each filling the penetrating hole to interconnect the cladding portions for firmly covering and protecting the main plate.