Choose a carrier based on your dog’s adult size. Carrier should be high enough to allow the dog to stand up, and wide enough and long enough for adult-sized dog to lie down and turn around.
Crate size:
Small : 48,3 x 32,6 x 28 cm (19 x 12,8 x 11 inches)
Medium : 56,5 x 37,6 x 30,8 cm (22 x 14,8 x 12 inches)
Large : 61,9 x 42,6 x 36,9 cm (24,3 x 16,7 x 14,5 inches)
X-Large : 68,4 x 47,6 x 43,8 cm (26,9 x 18,7 x 17 inches)