This item has been stored at home for a long time. Upon opening, there was discoloration. Please understand this. maxell AP_A4S100 Thermal paper for word processors, no ribbon required Standard A4 100 sheets x 3 packs PLUS PW-128K 57-556 Standard thickness, easy to use Tree's OA Word processor paper, no ribbon required For thermal paper, no ribbon required Easy to tell the front and back! A4 100 sheets