To provide a shade utilized for protection against rain or sunshine for wheelchair, buggy for the impaired person, auxiliary seats of bicycle for children, device for maintaining posture (chair), shopping cart, folding tubular chair, walker or bench.

A sheet 2 rolled in around a spindle and housed in a tubular structure 5 with a longitudinal slit is pulled out to adjust the width AH. A sheet 8 is treated in the same manner. The shade connected with L-shaped joints having angle adjusting mechanisms 6A and 6B is detachably fixed on the wheel chair 10. The adjustability of the shade to the seat width of wheel chair etc., on which the shade is to be mounted by pulling the sheet 2 and 8 realizes a mass production and a price reduction.