Description The item is an indoor fitness wrist device,leisure exercise arm wrist device.Made of high-quality, strong and durablematerial for long time use.Fine workmanshipwith incredible details could be seen everywhere.Thicken safe foam, feel comfortable, without slipping. High strength spring and anti-rust paint, strong quality. Small and exquisite, you can store them easily for next use. Features - Color:Black - Material:Metal, ABS, Sponge- Size: About 26x14x3cm10.22X5.50X1.18inch-This product is manufactured with material, specialand unique for long time use.- This item is muscle trainer, made of high density ribbon. - Great for athletes who want to take the training of their grip strength to the next level. - Perfect for strength training, flexibility and balance in conjunction with various workout programs. - Lightweight, reasonable size, easy and convenient to carry and store. Packing list: 1 x Power Wrist