Rich Green Valley Chest StrapHeart Rate Monitor Adjustable Replacement Strap Fits for mz 3 mz1 StrapNot fit for My Zone Switch

This replacement fits for MYZONE MZ-3 &MZ-1 (Not Compatible for MZ-SWITCH) strap;, Adjustable Wearing size between M:26.5-39.4" inch / 65-100 cm;, Please check your heart rate monitor model and wearing size before ordering;, 【Note】 The package only includes a belt strap. Please kindly check my zone heart monitor model and wearing size before placing an order., 【Name and Date Tag】 It is simple to recognize and locate your zone heart rate band while taking part in group activities or competitions without making mistakes. Alternatively, you can just jot down dates, results, etc., NOTE: Only Belt Strap, Please check your heart rate monitor model and wearing size before ordering.