This pet carrier is divided and has two pet compartments to carry two small pets in one carrier. The divider may be unzipped to convert to a single compartment carrier.Feather Light & Durable Many professional animal trainers travel with their pets extensively and choose SturdiBag because it is simply the best in-cabin, light weight, height flexible pet carrier available. Whether it is used on a plane, in the car, or for carrying on foot, your pet will be comfortable and safe in the SturdiBag pet carrier. Sizing: The SturdiBag Large size has been tested to can safely carry up to 40 pounds, but is most suitable for all cats and most small to medium breed dogs up to 25 pounds. Dog breeds such as Cavalier King Charles Spaniels and Jack Russell Terriers travel comfortably in this size carrier. Patented, Award Winning Flexible Height Design Durable 600 Denier Polyester Feather light construction Adjustable 4-point padded shoulder strap & leather hand grip Retractable privacy flaps on all mesh windows Seatbelt safety straps Machine washable interior fleece pad secured by Velcro®Zipper Security Clips a tether for safety and security included! Weight includes washable fleece pad and 4-point shoulder strap Interior: 100% Polyurethane Convoluted Foam, Exterior pad resting surface 100% Polyester Fleece, Exterior pad back 100% Polyester Carrier Body: 600 Denier Polyester This carrier is airline-preferred for in-flight use by most domestic and international air travel carriers and follows the guidelines of the IATA. Check with your airline to ensure that the size and specifications meet their requirements.Product Weight-3.2 lbs.Product Weight (kg)-1.45 kgDimensions-18"L x 12"H x 12"WDimensions (cm)-45,5L x 30,5H x 30,5W