This dumbbell is made of quality materials with non-slip handles and the most important inner core is made of metal, these elements make it a durable adjustable dumbbell that can accompany you for more time. With only 1 set of dumbbell space, you can get 5 sets of dumbbell training experience, saving 80% of the space, and the strength equipment is designed under the guidance of professional coaches, dedicated to meet your diverse strength training needs. Non-slip handle, easy to carry tray base design, one-click adjustment + base safety lock, these details are fully protected your sports experience, fully polished, excellent texture, and visually optimized design color, so that you are more willing to spend time lifting it to improve the body.