The luggage Clip is consist of tight and durability PVC and Metal, which tie the luggage to the loss of content. Easy to adjust to fit the luggage compartment. Easily carry another piece of luggage and connects it to almost any suitcases or wheeled luggage. The external shoulder Clip of this backpacks provide stability, making it easy to carry heavy objects without feeling tired. It is quickly removed from your backpacks, simplifying your travel .