"Please leave measurements in the notes section at checkout or message Lorna via email or insta after ordering if you do not have them ready.  choker - neck circumference (I will make it a few inches bigger than your neck measurements for adjustability so please send your actual neck measurement)    top harness - under bust, above bust and over bust ( see measurement b and c on the size chart page if you’re unsure where that is), and U.K. bra size if known.  belt - waist measurement in smallest area unless you would like to wear lower in which case send that area. There will be a few inches adjustability at the back"