Petsfit Adjustable Front Carrier For Dog Or Cat Under 13 LBS Four mesh window for ventilation and visibility,breathable mesh on front and top to provides the pets to look through Padding adjustable shoulder stap with chest straps help secure the backpack. Built-in Collar Buckle: For securing the pet from escape The top hole is adjustable with drawstring. Dimension:13" x 9" x 14" Soft pad is removable and machine washable.