Our products are enjoyed the good quality,lowest price!your inquiry are always welcomed! Index Card: Item No:SL13106 Size:3"*5" Inner Sheet:145g color offset paper,50sheet.2C Printing Cover:0.15MM PP ,128g art paper,4C Bind:Plastic spiral Packing:50 sheets/shrink wrap QTY/CTN:72PCS/CTN NW:8.0GS GW:8.5KGS MEAS:27*20*42CM