Material: Cotton
Color: blue， yellow， pink
Specifications:
S: traction belt length 122cm wide 2cm， the best for neck circumference 24cm， chest 36cm 82g
M: traction belt length 122cm wide 2cm， the best for neck circumference 28cm， chest 42cm 902g
L: traction belt length 122cm wide 2cm， the best for the neck circumference 32cm， chest 48cm 100g
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