This telescoping boarding ladder is made out of V4A stainless steel and is naturally resistant against seewater and ultraviolet radiation.It is able to stand in an 90° angle.The steps are gummed so there is a safe stand even at bad weather conditions. Because of it is a telescoping ladder it is easy to tuck. measurements: extended length:60cm retracted length:36cm retracted height:36cm length of the step:15cm with of the ladder:30cm