The Air Cushions is made of thick TPU material, which is very durable and hard to wear. The valve is completely sealed, will not leak, and can be used repeatedly The airbag is very flat, with a thickness of only 1.5 mm, and can be easily pushed into asmall space. Without load, the cushion can be inflated to a maximum thickness of about 7cm. Air pump with a hand pump and a check valve, pumping and deflating is effortless, and you can new deflate the air to adjust the appropriate height by pressing the button The size of the mounting pad is 16*16cm, the rubber hose is 25cm long, and the loadis 200kg. One person can easily lift heavy objects, which provides great convenience for installation work. For lifting, aligning, moving, fixing, etc. Ideal for do-it-yourselfers, also very suitable for door and window fitters, Indispensable for installing window, shutters, even heavy doors The size of the mounting bracket is 16 * 16 cm, the length of thepipe is of 25 cm and the load capacity is 200 kg. Provide 2 cushions for better balance. A hose with a manual pump can be inflated quickly and easily, and you can deflate it again with a button. The use of valves also allows good control of the load reduction.With a few pumping processes, the mat can lift a very heavy object a few centimeters without applying too much force. There is a small round hole in the corner of the mounting bracket, youcan hang it. A small helper in the tool box for lifting, aligning, moving, fixing, lifting furniture, hanging doors, washing machines, installing doors and windows, raising the door to align, locking the door in the frame for marking and final adjustment,assisting with door assembly and disassembly, auto repair, etc. They are tough and hold heavy loads very well. This saves time and labor costs.