brand: check point and China domestic Frequency: 8.2MHz (Deactivatable/Non-Deactivatable/Transparent/Thermal) Dimension: 30mmx33mm (1.18"x1.30") Color: Barcode/White/Black or Customized Packing: 20, 000pcs/ctn (1, 000pcs/roll), 0.015CBM, 8.5kg [we have a series of RF labels as RF 101(Deactivate Paper), RF-304(3X4), RF-305(3X5), RF-404(4X4), RF-404R(4X4 Round), RF-505(5X5)] If you are interested in our products,please contact us or visit our website to know more about us,we will reply you as soon as possible ,looking forward to you letters.