FastaCare Pet Blood Glucose Test Strips with Sterile Lancet (50 Test Strips + 50 Lancets) 2 Vials x 25 Test Strips with 50 pcs of Sterile 28 G Lancets; TEST STRIPS for cats and dogs Lancet and Test Strips can be used with Paw pad or Marginal ear vein sampling sites Tiny Blood Sample required Test strips can only be used with FastaCare Pet meter (model: 5228P) that has the same reference number. Results are presented in only 'mmol/L'. For monitoring of dogs and cats blood glucose as recommended by your veterinarian