Prices are more for the plus sizes (1x - 3x): $110  Plus size are on sale for $55
FINAL SALE AND SOLD AS IS 
The bust is measured from underarm seam to underarm seam across the front.  Double to get the circumference.  The length is measured from the shoulder seam to the hem in the front and back.  
Medium: Bust is 21" (42" around), Length in front is 30", length in back is 32.5" 
Large:  Bust is 22" (44" around), Length in front is 31.5", length in back is 33"
XX-Large:  Bust is 24.5" (49" around), Length in front is 32.5", length in back is 34"
1X:  Bust is 25.5 (51" around), Length in front is 34", length in back is 35.5"
3X:  Bust is 29.5" (59" around), Length in front is 35", length in back is 36.5"