Specification: 1.Lightweight and Portable 2.Material: Foam + Stainless steel tube + Rubber 3.Size: Length:10inch Width:5inch Height:8inch Features: 1.Play belly movement, stretching back, elbow plank, press-up, etc. 2.Compact design, s-shaped curve, easy to carry, easy to use. It's perfect for home-based strength training. 3.Upgrad bottom rubber sucker of this sit up bar, provide strong suction, more secure and stable. 4.Reduce stress and improve joint flexibility and mobility. Install and Remove Steps: 1.Find a clean and flat ground adn avoid the gap between the ground. 2.Put the sit up bar on the ground and pull down the lock. 3.Adjust the gear position on a comfortable height to fit your feet. 4.When your excerise finished, pull up the lock to unlock the equipment. (Don't pull the sit up bar directly. Only need to lift up a little the edge of suction.) Package Included: 1* Sit Up Bar 【Upgraded Design】WinCheer Sit-Up Foot Bar for floor is mainly composed of three parts; The main body is Cold-Rolled Steel with High Strength, High Hardness and Bright Surface. Secondly part is High-Density Elastic Foam can better protect your instep from pain. The Most Important Bottom is a 14.8cm Large Suction Rubber chassis with Strong Suction and Stability. 【Ideal Foot Anchor】It can help you to Exercise your Abs Core Muscles, Reduce Abdominal Fat, Shape Your Body, complete a variety of actions easily. A perfect tool help you to Strengthens and Firms Abdominal Core Muscles. 【Better Workouts】The Mufti-Functional Sit-Up Bar with 3 Adjustable Gear Positions to meet Different family member fitness requirement. Helping you Roll Belly Movement, Push-Ups, Side Kick, Sit-Ups, Stretching Back, Elbow Plank, Press-Up, Swallow of Training and Other Sports. Fits on Any Kind of Ground. 【Small Space】The Sit Up Bar is portable for a work out Anytime, Anywhere. It's light weight and Easy to Install and Storage. The weight is 825g and the size is 27*15*2cm, Convenient and Easy to Use. Idea for Home, Office or Travel. 【Easy Installation】The Foot Sit Up Bar is very Easy for home installation without need any tools, it with 14.8cm bottom sucker, only to find a dry and clean flat ground, then put down the sit up bar on the ground, pull down the lock. Last adjust the gear position. Before you can start your fitness please ensure it wouldn't move easily.