Features:Beautiful and cool design， make it relaxed and convenient for your trip with the lovely pet.Built-in safe lock， can lock with dog's necklace so as to prevent dog from sudden jump.Backpack for carrying pet more conveniently.Elastic design in the neckline， can adjust it for pets comfortable feelings.Ventilate grids on both sides， and a hole for tail， pet would not feel stuffy. Suitable for many kinds of pets， such as teddy， poodle.Specifications:Material: CanvasSize: XL / L / M (Optional)Size Total Length Chest Legs Interval of Left and Right Legs Interval for Front and Back Suitable Weight for Pet Product WeightM 34cm 54cm 5cm 14cm 2.5-4kg 0.215kgL 38cm 62cm 5cm 16cm 4-7kg 0.238kgXL 42cm 70cm 5cm 19cm 7-10kg 0.252kgNote: Item color displayed in photos may be showing slight difference on your computer monitor since monitors are not calibrated same. Please in kind prevail. Compare the detail sizes with yours pets， please allow 1-2cm error due to manual measurement.Package List:1 * Pet Backpack