【Material】 Metal and Plastic, stable, durable | 【Application】Suit for 0.5KG 1KG PLA ABS 1.75mm 3d printer filament,keeping filaments dry during the printing | 【Widely Used】Suit for all 3D printers | 【Install】Already pre-assembled,you don't need to assemble it by yourself | 【Package Include】1kit 3D Printer filament holder, 1pcs dry storage box, 4 pcaks of desiccant,1pcs thermohygrometer,1pcs quick connector (filament not included)