Description: 【Versatile Exercise Pillow】: The Lumbar Support Pillow is designed for multiple uses, making it an ideal companion for home workouts and relaxation. Its multifunctionality allows you to engage in various exercises, including abdominal training, arm strength exercises, planking, thigh muscle workouts, and sit ups 【Premium Material Composition】: Lumbar Pillow is Crafted from quality nylon mesh combined with PU foam, this pillow ensures long ltime performance. The slow rebound memory foam maintains its shape while providing optimal support and comfort 【Innovative Structure】: Featuring an internal board spring structure, this Back Support Pillow enhances your workout experience by offering resistance for effective abdominal and arm training 【Ergonomic Design for Office Use】: Perfectly suited for home or office environments, the Support Cushion doubles as a backrest cushion during long hours of sitting. It promotes relaxation by supporting your back comfortably 【Wide Application】: This Bed Waist Support Cushion can be used for long drives, long sitting hours in the office or during our daily sleeping hours, whether it is on the back or on the side, this Support Cushion provides a good fit Specification: Material: Nylon Mesh, Pu Foam Size Chart: 40 cmx20 cmx10 cm/15.75 inchx7.87 inchx3.94 inch Package Includes: 1 Lumbar Support Pillow Note: Please allow slightly errors 1-2cm/0.39inch-0.79inch differences due to manual measurement.