Double Suction Cup : Sit up Assistant features a double suction design for enhanced stability during your workout. It firmly grips the floor.Rope Assistance: The rope assistance makes situ ps easier, providing you with an efficient and effective abdominal workout.Easy Installation: The installation process is simple and only requires four steps - clean the floor with a damp cloth, press down firmly to ensure seamless contact, pull down the handles simultaneously, and finally test the suction force by pulling up on the foam.Adjustable Height Settings: This product offers three height settings to cater to different needs - 1 is suitable for primary school students aiming to build strength; Level 2 is ideal for women and teenagers; 3 is wonderful for men looking to improve their fitness levels.Product Specifications: Made from steel, Abdominal Muscle Exercise Tool measures 27cm in length (double suction cup), 16cm (upper crossbar), 27cm (middle sponge), with a foam thickness of 2cm, rope length of 40cm, and handle length of 26cm. Package includes 1 black unit. Specification: Material: steel Size Chart: length of double suction cup: 27cm/10.63inchupper crossbar:16cm/6.30inchmiddle sponge: 27cm/10.63inch,a foam thickness :2cm/0.79inchrope length: 40cm 40cm/15.75inchhandle lengt: 26cm/10.24inch Package Includes: 1 Piece Sit Up Bar Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 1-3mm differences due to manual measurement.