High quality materials. The handrails are made of high quality PVC and ABS with zinc plated surface, offering good gloss, safety, reliability, thickness, strength, and long service life. Easy to use. Can be installed without drilling holes. Simply wipe the surface dry, place it on the desired area, and secure with the rotary switch. Lightweight and compact design makes it convenient to carry while traveling. Unique design. Features a thickened and widened non-perforated armrest for ergonomic comfort. The vacuum pressure from the portable handle and suction cup ensures strong grip. Reusable. The suction cup can be cleaned with water and wiped dry for repeated use. Suction power is restored after cleaning and drying, allowing for reinstallation in a new position. Wide application. Suitable for drawers, cabinet doors, balcony doors, toilet lids, refrigerator doors, and other smooth surfaces. Ideal for use in homes, bathrooms, and hotels. The portable handle and suction cup utilize vacuum pressure for a secure hold. The locked vacuum provides strong adhesion, while the thickened handle offers ergonomic comfort. Lightweight and portable. The suction armrest can be easily installed and removed using the rotary switch. Reusable after washing and drying. Compatible with various smooth surfaces including glass, ceramic tiles, mirrors, and patterned tiles. Suitable for multiple household and commercial applications.