High Quality Materials- Made from high quality rubber, our Air Cushion Wedge is designed with double-sided TPU molding for superior compression resistance and wear resistance. Save costs while ensuring safety. 8cm slot distance which can support after inflation about 0.2cm thick- Air Cushion Wedge Thanks to its small thickness and built-in rigid plate, the air wedge will easily inserts into tiny crevices, providing more application possibilities. Small volume after air release,Make storage easier.8cm slot distance which can support after inflation double tight edge pressed- Air Cushion Wedge thanks to double sealing, the seal guarantees airtightness. There are no air leaks that could interfere with work. Note: Do not inflate the air too much during the operation. 8cm slot distance that can support after inflation Saving Money and Time- Our Air Cushion Wedge is a powerful tool for installing and leveling doors and windows. With this lifting bag, you can perform these tasks yourself and save money in the process. The valve is completely sealed, does not leak and can be reused. Each air cushion can lift up to 150 kg.