20kg weight limit / Luggage

Luggage weight limit is everywhere around the world. As passengers often worry about over-weight, they find no way to know the weight in advance.
Most people try to “feel” how heavy their luggage is by handling them by hand.
“20kg weight limit”uses such habit of handling luggage by hand and adds in “Force Spring Balance” on handles of luggage to measure the weight. When users lift the luggage, the weight of luggage transforms the shape and size of spring. Users are able to know easily if their luggage is overweight from the color on luggage’s handles.