On both sides of the zipper and Velcro: with zipper on both sides and guide design, convenient dogs wear, take off. Adjustable straps with clips can be worn on your front or back, for easy installation and reduce pressure on your shoulders and keep your dog or cat close to your heart. Pet travel carrier works fine, can let the pet with the owner of zero distance contact, it is easy to carry and safe to use. Leave your hands free to deal with other tasks while making sure your pet can't get lost or separated from the family in frightening circumstances. Compact and convenient, a good companion for puppy's outdoor activities. You can carry him/she to walk, hike and travel etc so that they can give accompany to you all the time.