These Marchioro Aran Carriers are perfect for cats, small dogs, birds or other small animals. They feature double door access (top and side), which is great for plopping your kitty or small dog inside. Get the carrier strap & wheels for easy pulling. Airline approved. Sizes: Small: 19.5 Length x 13 Width x 12.5 Height Medium: 22 (1/4) Length x 14 (1/2) Width x 14 (1/4) Height Large: 25 Length x 17 Width x 17 Height Usually leaves our warehouse in 1 - 3 business days.