【Premium Composite Material】High-quality nylon material with higher wear resistance and tear resistance; TPU molding process, rounded corners, hard edges, smooth appearance without burrs and does not damage or wear the surface of contact objects; design with rounded corners, smooth exterior and stiff, durable edges. 【Easy to use】There is a round hole in the top right corner of the bag that you can hang on your waist. Quick and easy to use push button air valve, precise leveling with one hand. Securely handles full size installations with just a single installer, saving time and laboratory costs. 【Save Time and Effort】Our air wedge pump is an effective tool that integrates installation, maintenance and leveling functions. Mounting cushion air cushion can be easily placed at home or in a backpack or car and takes up almost no space. 【Strong Load Capacity & Safe】Double-sided TPU molding design for heavier duty with higher abrasion performance. A single air pump has superior pressure resistance and can lift 300kg. There are four air wedges in this set. You can combine as needed, safe and stable lifting of heavier items, providing great convenience for installation work. 【Wide application】The air pump mounting cushion is easy to use, can be used for lifting, aligning, moving, fixing etc; Suitable for a variety of application scenarios, such as cars, household appliances, furniture, air conditioners, water pipes, fireplaces, beams, etc., Manufacturer: Techfection