Openable mesh panels on both sides. Good ventilation due to the mesh. The right side can be opened. The left side has a side pocket. Leash inside. Removable pallet. Shoulder strap included. Used about twice, as shown in photo 7. The zipper pull has been tampered with. This is a used item. There may be oversights. Please refrain from purchasing if you are overly concerned about details. Will be shipped in compact packaging. Only those who understand, please.