ChumianWomen's Underbust Corset Waist Trainer Cincher Steel Boned Body Shaper Vest with Adjustable Straps

Is it visible under tight fitting dress?

Hi im a size 12 in trousers and a cup size d i can see by the chart i the sizes but i dont know if m or l will be better for me

I am a UK 12-14 but my waist is 94cm what size should I get ?

I am size 18 to 16, I am trying to lose weight, especially from tummy and waist, I exercise, play cachibol. would it be good for me? And what size ?