Premium Material: We wrap the 420D nylon material with a durable TPU composite fabric for greater abrasion resistance. The wedge-shaped bladder pump has a durable edge and a smooth appearance that can easily snap into any tight space. Easy to use: This air pump pad bag can safely handle full size installations with only one installer. Using a simple pressure pump and precise bleed valve, you can raise and lower for perfect alignment. Ideal for laying, adjusting, maintaining, lifting and installing. Strong Carrying Capacity: This powerful hand pump lifts 400 lbs and spans from 3/32 to 2 inches. It can bear 150-200kg, and the adjustable range is 2-80mm. Save time and labor. (Note: Do not over-inflate to avoid damaging the bag or valve.) Convenient and environmentally friendly: environmentally friendly materials, no pollution, safe to use. The surface of the air pump wedge is made of TPU rubber. It will not damage the surface of doors and windows, ensuring a perfect installation effect. Wide Applications: Our air wedge bags are ideal for many jobs and applications such as precise alignment and leveling. Can be used on beams, cabinets, doors, appliances, furniture, HVAC, plumbing, joists, countertops, mantels, bathroom fixtures, curtain wall flanges, windows, and more. Number of pieces delivered: 1 Color: Black Size: 15.5*16cm SZRH A-GInflatable Lifting Cushion, Fu