Plastic duckbill dog mouth cover
Model: MU-11-01
Colour: pink, green, yellow, blue, grey, orange
Sizes:
S: Mouth12cm, neck(17-30cm)
M: Mounth15cm, neck(18-30cm)
L: Mouth17cm, neck(19-35cm)
https://www.brotherpets.com/Plastic-duckbill-dog-mouth-cover-393.html