Size to Choose of Chihuahua Carrier BagSmall size pet sling carrier is holds up to 5 pounds cat or dog and the adjustable length of shoulder strap for you is 30.7-34.3 inches. In winter, if your dog wears a coat or you would like to put a padding or cloth towel in,we suggest the Medium size. M max weight using with 9.9lbs ;L Max weight using with 12lbs. Before buying, please refer to the size chart in Figure 2, and measure your pet's weight and volume before buying. Purchase NoticeSteps before going out can prevent kittens/ puppies from being nervous and fear. First, put some toys/snacks in the sling feed puppy and play games. Let the puppy feel at ease. Second, lift the puppy 5-8 feet, sooth the puppy with the other hand, and then walk back and forth slowly to make it feel relaxed. Third, put the sling on your shoulder and feed the puppy some snacks to relax it. Finally, attach the safety lock to the loop on the vest or shoulder strap. Triple Protection Safety DesignThe zipper with velcro, adjustable drawing and safety hook design is easy for dogs to enter and exit, effectively preventing pets from accidentally opening the zipper, and avoiding pets falling and causing injuries. High-quality materials breathable cat front carrier sling with durable PU leather sole and breathable mesh top, the cuby pet bag provides a safe and comfortable place for pets, and the breathable design will not make pets feel stuffy and hot. Hanging Out& Bicycling with Your PetThis is the protection of cats and dogs. When you go out, you can let your pets protect it by your side at any time, such as riding a bicycle, hiking, traveling, shopping, riding a bicycle, riding a subway weekend,and adventure with him on the weekend.Suitable for Most Small Pets Hands-free design, small pets, such as cats, little pinscher, chihuahua, yorkshire terrier, spitz, mini poodle, miniature schnauzer, teddy,etc. Customer ServiceIf our dogs cats sling carrier doesn't meet your expectations, please contact us and let us know. We will provide you with sincere after-sales service 24 hours a day, and do our best to solve the problems encountered by you and your furkids Various problems. We will work hard to improve our products based on your feedback to the designers, and strive to provide you with a better experience so you can enjoy your pet sling and get more fun time with your small pet!