Material Blend:
52% Nylon
40% Polyester
8% Spandex
 
Top Size Chart:
BUST
S (65cm/25.6in)
M (70cm/27.6in)
L (75cm/29.5in)
 
LENGTH
S (36cm/14.2in)
M (39cm/15.4in)
L (42cm/16.5in)
 
/
 
Leggings Size Chart:
WAIST
S (56cm/22in)
M (61cm/24in)
L (66cm/26in)
 
HIP
S (68cm/26.8in)
M (71cm/28in)
L (76cm/29.9in)
 
FULL LENGTH
S (81cm/31.9in)
M (83cm/32.7in)
L (85cm/33.5in)
 
 
The Items are great four way stretch, US size. 
Clothes size chart is only for refernce, manual measurement error within 2-3cm, please bear in mind.