The pet carrier bag is made of durable, lightweight and waterproof materials. The four-side mesh will give most ventilation for your pet, they will have a safe and comfortable travel in it. And the soft-side carrier is more comfortable than hard carriers. With airline-approved design, you can take your pet go to everywhere. That’s why it is small that it only carry puppies and teacup breeds up to 8 lbs. Besides, this carrier is easy to carry and store, it has a padded shoulder strap and handles. The insert inside is removable, it folds flat for storage when you do not use it.