Lid for polypropylene file box standard type, with casters attachable For 10cm width, white gray 390 yen 6 items Lid for polypropylene file box standard type, with casters attachable For 15cm width, white gray 490 yen 4 items Lid for polypropylene file box standard type, with casters attachable For 25cm width / white gray 590 yen 1 item These are MUJI products and only include the lids; casters and boxes are not included. All are nearly unused. The above 11 lids will be sold as a set.