This step stool is very heavy and it’s obviously moveable but not the sort you could carry under your arm saying that it’s never going to fall over and will take any persons weight 

Took me about 20 mins to put it together had to bang the bottom shelf into the dowels with my hand but it went in 

The dimensions for these are 

Heght 60 cms ( first step 30cms ) 

Width 50 cms 

Depth 48cms 

Each step 25cm deep 

Can stay outside as it’s a garden furniture companies item so the choice is yours few only very heavy box 13 kg ,will send out freepost