Bad Girl studded mask in black - one size fits all. **We do not accept return (RMA) request after 10/30/2011 on costumes.   Bust Waist Hips Dress Size Cup Size Size (in inches) (in inches) (in inches)     Extra Small 30-32 21-23 32-34 0-2 A Small 32-34 23-25 34-36 4-6 A-B Medium 34-36 25-27 36-38 8-10 B-C Large 36-38 27-29 38-40 12-14 C Extra Large 38-40 29-31 40-42 14-16 C Small/Medium 32-36 23-27 34-38 4-8 A-B Medium/Large 34-38 25-29 36-40 10-14 B-C One Size 32-38 23-29 34-40 6-12 A-C 1X/2X 40-44 31-35 42-46 16-20 C 3X/4X 46-50 35-39 46-50 22-26 C-D