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Strap Length: 12-20 inches best fit for up to 19
Strap Width: 1 INCH
Spikes#: 2 Big spikes asymmetrical and small metal ones
Back: Buckle

 
Other deetz:
!SAMPLE! SOLD AS IS STRAP IS KINDA THIN must be worn tight as choker if loose spikes will flop this was a bad experiment but also looks cute and can be recharged by leaving near a window with direct sunlight no grommets at end of choker see pic foe references . PLEASE DM ME with your measurements so I can cut Strap to your size before mailing out if your on the smaller side.