Battery Door Cover for HP 35 Calculators - Replacement battery door cover for classic HP calculators like HP 35, 45, or 55. Includes door and two sliders for a complete replacement. Only printed parts, hardware NOT included. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by the owner of the mentioned trademark. 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