All new with tag. I tried on and they run a little bigger than my size, especially the JSK.
This set is very heavy, around 5 lbs in the shipping box. Brooches are included as well.

Taobao brand: Silent Mars
Official measurements:

JSK (Size M):

- Length: 95 cm

- Shoulder Width: 38 cm

- Bust: 94 cm

- Sleeve Cuff Circumference: 90 cm

- Waist: 80 cm

- Sleeve Length (Max): 57 cm

 Skirt (Size M)

- Skirt Length: 55 cm

- High Waist: 60-78 cm

- High Waist (flat measure): 64 cm

Blouse (Size M)

- Length: 50 cm

- Shoulder Width: 37 cm

- Bust: 92 cm

- Waist: 78 cm

- Sleeve Length (Including Edge): 67 cm