Weight

 Stuffed

 Unstuffed

  6 to 8 lbs
(3 to 3.5 kg)

 3 to 3 1/4

 2 1/2 to 2 3/4

 8 to 10 lbs
(3.5 to 4.5 kg)

 3 1/4 to3 1/2

 2 3/4 to 3

 10 to 12 lbs
(4.5 to 5.5 kg)

 3 1/2 to 3 3/4

 3 to 3 1/4

 12 to 16 lbs
(5.5 to 7 kg)

 3 3/4 to 4

 3 1/4 to 3 1/2

 16 to 22 lbs
(7 to 10 kg)

 4 to 4 1/2

 3 1/2 to 4