High Quality Materials- Our mounting air cushions are made of high quality rubber and double-sided TPU molding design, for greater pressure resistance and wear resistance. Cost saving while ensuring safety. About 0.2cm thick. - Thanks to its thin thickness and the built-in hard cardboard, the air wedge fits easily into tiny spaces, which provides more application possibilities. Its low volume when deflated makes it easy to store. Ready to use- Easy to use air pump mounting pad with simple pressure pump and precise bleed valve. It is suitable for mounting windows, doors and cabinets and can be raised and lowered for perfect alignment. It can also be used for cars, appliances, furniture, air conditioners, sanitary ware, fireplaces, beams and more. Save labor- Only one installer is needed to mount the doors and windows safely and independently, and to adjust the position precisely, saving time and labor costs. Each air cushion can lift up to 200 kg. Double sealing of compressed edges - Thanks to the double sealing, the cushion guarantees airtightness. There are no air leaks that could cause disturbances during work. Note: Do not inflate the air too much during operation. Note: The data are all manual measurement, please allow 1-3cm error, due to the difference in light and temperature. display, there will be some color difference, depending on the physical item received.