Features and Benefits: 1.portable-quickly and easily folds up for storage in small space. 2. 4" urethane wheels &rear easy-glide feet 3. patented height adjustment-innovative mechanism small allow for easy touch variation. 4. 3 different colors meets medical grade requirement Specifications: 1. 6.5lbs weight 2. weight capacity 250lbs 3.open: 19.5wide*23 long 4. collapsed dimension 6"*4"*3" 5. 4" diameter wheels: height adjustment,80-90cm