Shake Weight 5lb Pound Dumbbell in gray is a unisex fitness exercise work out tool designed for weight training. Works arms and upper body plus core. Made with chrome, plastic, and rubber materials, this fixed-weight dumbbell features spring-loaded weights. Perfect for both men and women, this dumbbell is a versatile and effective way to strengthen muscles and improve overall fitness levels. It’s great for at home or travel. Made in Taiwan