A specialized insert that converts your Yashica 635 medium format camera to accept 35mm film, enabling dual-format photography capabilities. Only printed parts, hardware NOT included. We only use high quality materials Made out of pla plus I can also make out of other materials if asked like Petg, Abs, Nylon just message me and ill let you know the cost Shipped out the next day! If you like another color let me know its default is Gray so message me so i can make the color you like before you purchase Gray Blue White Black Pink Orange Brown Purple Red Silver Yellow Copper Color Marble Army Green Wood Color Bone White