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name: new soft plastic dog mouth cover color: red, black, gray material: soft plastic (environmental protection and non-toxic) size: no. 1 mouth length 6cm, mouth circumference 20cm, head circumference 30-40cm, weight 72 grams no. 2 mouth length 7cm, mouth circumference 23cm, head circumference 34-48cm, weight 94 grams no. 3 mouth length 8cm, mouth circumference 26cm, head circumference 39-51cm, weight 131 grams no. 4 mouth length 9cm, mouth circumference 28cm, head circumference 45-59cm,