It's 2.5 meters, 5 meters, 7.5 meters, 10 meters

Once water goes through the pipe, the pipe is three times longer, and no water goes through,

It will shrink back to the original length, convenient for further use, light weight, no space.

25 ft:

 Specification: 2.5m long, 7.5m extended,

 50 ft:

 Specification: 5M long, 15M after extension,

75 ft.

 Specification: 7.5m long, 22.5m extended,

100 ft.

Specification: 10M long, 30M after extension