Product Features 100% Brand New and High Quality The product is brand new and of high quality, ensuring reliability and durability. Easy to Use, Saves Installation Time, and Reusable Simple design for easy operation, saves installation time, and can be reused multiple times. Airbag for Interior Door Installation Typically used as a spacer during interior door installation to ensure a smooth process. Effectively Prevents Window Frame Damage Designed to protect window frames from damage during installation. Creates Space for Unlocking Allows users to create space between the door and frame, enabling the use of tools to unlock the door via the internal unlocking button or lever. Anti-Slip Design Features a textured exterior to prevent slipping during use. Suitable for Between Car Door and Frame Ideal for use between car doors and door frames to ensure safe installation. Adjustable Spacing Spacing can be adjusted between 2-10 cm to meet different needs. Versatile Applications Suitable for home door and window improvements, positioning of car doors and windows, and more.Specifications Material: Polyurethane Rubber Color: Black Air Pump Dimensions: Approximately 17 x 15 cm (6.7 x 5.9 inches)Package Contents 4 x Installation Cushions