color: .yellow/red/blue
Material: . silica gel
size: S Mouth circumference 12.5cm Mouth length 4cm/applicable to 2-4kg
M Mouth circumference 15cm Mouth length 5.6cm/applicable to 4-9kg
L Mouth circumference 16.5cm Mouth length 6.8cm/applicable to 9-15kg
XL Mouth circumference 18.5cm Mouth length 7.8cm/applicable to 15-35kg
weight：.75/112/146/187g
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