【Safety & Eco-Friendly】 PLA filament refills are extracted from biodegradable materials. Without odor, smoke, non-toxic and respectful with the environment. NO harm to user and environment. Better op more→tion than PLC,ABS material 【3D Filament PLA 1.75mm Set】 The filament refills are universally designed and compatible with 3D Printers using 1.75mm diameter filament. PLA can be sanded, glued, and painted with acrylic paints, suitable for designers, engineers, and architects etc. 【3D Filament Variety Pack】 3d filament kit including 20 vibrant colors Filament Refill.Red, Blue, Green,Black, Pink, Grey, Yellow, White etc. Various colors PLA filament to scribble your 3D artistic masterpiece idea. 【Crea…