Features: Fits any toolbox: 4 sizes to meet all your personal needs. Includes easy-to-carry storage bag! for Ideal for many jobs and applications, such as precise alignment and leveling. Used for door and window installation and car repair positioning airbag. Save for time and money: allow one installer to complete many tasks. Our gasket bags will help to fix and level the countertops, door fra-mes, window fra-mes, cabinets, etc.! Commercial design, consumer price: rounded corners, durable edges, smooth external and internal ribs make insertion easier, and our wedges are easy to use. Quick and easy button-type air va-lve can be accurately leveled with one finger. Material protection: Will not damage, leave marks or wear the materials it touches, unlike prying tools, wooden shims or other wedges used to lift, level, plumb, shims and align materials. Note: Do not over-inflate, so as not to damage the bag or va-lve. Specifications: Material:TPU+420D Composite Cloth Color :Black Size1: Approx. 11.8x19cm/4.64x7.48inch Size2: Approx.16x15.5cm/6.29x6.1inch Size3: Approx.28x12.5cm/11.02x4.92inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Pc xAir Cushion