【ADJUSTABLE DUMBBELL SET】: Adjustable weight design makes it easy to fit your exercise,free removal and easy installation. 【ENVIRONMENTALLY FRIENDLY MATERIALS】:Dumbbells set covers an area of small, more suitable for home exercise, safe and practical. Dumbbell sheet external wrapped with high-quality thickened ABS material, shock absorption does not hurt the floor, dumbbell sheet filled with a mixture of environmentally friendly iron sand, safe and environmentally friendly. 【IRON HANDLE AND ANTI-SLIP DESIGN】:Made of iron tube grip with non-slip surface,the dumbbell handle is better to fit the hand, strengthen the friction, effectively prevent sweating and slippage, the use of more stable.