Snoozer Birch Diamond I Lookout Dog Car Seat

Small: (recommended for pets up to 18 lbs.) Outside Measurements: Height: 19 inches Width: 15 inches Length: 17 inches Inside Measurements: Height: 6 inches Width: 12 inches Length: 14 inches Medium: (recommended for pets up to 25 lbs.) Outside Measurements: Height: 19 inches Width: 22 inches Length: 17 inches Inside Measurements: Height: 6 inches Width: 18 inches Length: 14 inches