This is a storage case for mini 4WD motors and batteries. It can store 16 motors, 8 batteries, and has a parts compartment. Made with a 3D printer. Layer lines are present from the manufacturing process. There will be some scratches from sanding due to deburring. The resin used is PLA resin. We are not responsible for any damages caused by using this jig. Please understand. Case S with a lid is not included. Inner case only. After receiving the product, please leave a review.