New, Unused 【Multi-Stage Weight Adjustment & Multi-Functional in One】SOLPEX 5kg dumbbells feature a 5-stage adjustment function, allowing you to freely combine the weight of a single dumbbell between 1 kilogram and 5 kilograms. These weight training tools, the dumbbells, adopt a one-touch weight adjustment design, allowing you to easily change the weight in one second, catering to various needs from beginners to advanced trainers. The lock design ensures safety and efficiency during use, suitable for both men and women, truly achieving "multi-functional in one." 【Non-Toxic, Odorless ABS Material & Stylish Appearance】The adjustable dumbbell set of 2 is made of non-toxic, odorless ABS material, so you can use it with peace of mind. It effectively reduces noise during exercise, allowing you to train at home without worry and without disturbing your neighbors. The dumbbells have a rounded design, so you don't have to worry about scratching the floor during exercise. The simple and stylish appearance design of the weight training dumbbells adds color to your home gym space.