Active Bags are designed for the active person to carry their luggage more comfortably. Active luggage is generally made of durable fabrics as opposed to leather.
About Zipper:
A zipper, sometimes called a 'slide fastener' is a device consisting of two toothed tracks or spiral metal or plastic coils, each bordering one of two edges to be joined, and a piece that either interlocks or separates them when pulled.