Features: 1. 【Leakproof All Terrain Tires】Equipped with four 8"solid PU tires,wheels with shock absorption function and anti-leakage function make mobility walker easily go over uneven ground such as grass,bumps,dirt,gravel or cracked sidewalks outdoors. No need to inflate,more stable and convenient. 2. 【Adjustable Design】With one click setting,height of all terrains walker for seniors can be easily adjusted from 33"to 38"to fit with your height. Meanwhile,the height of backrest can also be adjusted for your comfortable relax time. .