1, save time and labor, one person can make the binding device to produce a huge binding force, binding and unloading fast. 2, safe and durable, this product uses special steel for the machine parts, strong acid and alkali-resistant fiber material combination. 3, easy to operate, instant tight, never off, instant loose, easy to operate, easy to recover the rope, does not take up space. 4, does not harm the goods, this product uses the fiber material material flat ribbon combination becomes, the stress point disperses, the softness, does not harm the goods. A fixed function for the transportation, movement, shipment, or warehousing of goods. The utility model has the advantages of locking, not falling off, safety, reliability, portability, convenient operation and protecting objects from damage. The storage temperature range of the straps is -40 ° C ~ 100 ° C for polyester and nylon straps and -40 ° C ~ 80 ° C for polypropylene straps.