Sita murt 100% cotton knit maxi dress beach lagenlook

Sita murt 100% cotton knit maxi dress with illusion around the neck top part of the dress it comes with a matching green slip that is mini length and it is in very good condition. the measurements when laying flat are 17 inches from pit to pit and the length from the shoulder down is about 58 in. it says it is a size 36 which according to their size charts is a size 4