The backpack opening type refers to the opening mode of the backpack. Different opening designs differ in convenience and safe property when using the backpack. Some common backpack opening types are as follows. 

Zipper Closure

Zipper is a typical and common opening mode that can quickly open and close a backpack to access items. With an anti-theft puller, it can efficiently prevent belongings from dropping or being stolen. 

Flap Closure

There is a flap cover on the top of the backpack and use the button, magnetic snap, and lace to secure it, which can resist the water and provide extra safety on rainy days. It is available for daily use and travel.

Roll-top Closure

Roll the backpack top and then secure it with the button. This closure can adjust the opening of the pocket based on the size of loading objects and efficiently resist water and other liquids.

Drawstring Closure

Strain the drawstring and secure it to control the backpack closure. This way can quickly access belongings and adjust the backpack capacity according to the size of loading, which is suitable for lightweight daily use and short travels.

Buckle Closure   

Use one or more buckles to open and close the pack pocket that is more safety and can stabilize the belongings. It can be applied to outdoor activities and travels.

Different backpack opening modes have each feature and function. Additionally, the selection of closure depends on personal habits, loading objects, and environmental conditions. Hope this content can help you eliminate some confusions.