Features:-It can be folded or unfolded in seconds and can be stored in a suitcase, under the bed, in the closet, in the garage, etc.-There are three different heights, 67.5cm/79cm/89cm, which can be adjusted according to needs to suit people of different heights.-Equipped with 4 rubber wheels that can rotate 360°, it is suitable for all kinds of roads, including sand, gravel, concrete, etc. The rear wheels are equipped with brakes to prevent slipping when not in use.-The main body is made of high-quality PP material, with a solid structure, impact resistance, scratch resistance and wear resistance. The push rod is made of aluminum alloy, rust-proof and corrosion-resistant. The wheels are made of high-quality rubber, shock-absorbing, non-slip and long ser.