Material and grip Plastic dumbbell with a comfortable hand feel and a bright color for easy visibility. Durability and construction Designed to be lightweight yet durable; resistant to deformation with regular use. Weight and adjustment Adjustable design allows you to change weight by filling the dumbbell with water or sand to set the desired load. Portability Lightweight and compact for easy transport; suitable for home use, travel, or onthego workouts. 23 practical use scenarios Home workouts: quick strength routines and warmups with adjustable resistance to suit your fitness level. Travel or onthego training: packable dumbbell for hotel rooms or small spaces, enabling workouts while away from the gym. Light conditioning or rehabilitation: gentle resistance for beginners or rehabfriendly routines to support gradual progress. Key attributes Function: adjustable weight, portable, suitable for light to moderate resistance training. Compatibility: adaptable for a variety of basic exercise movements that use dumbbell resistance. Size: compact and easy to store; portable enough for travel. Material: plastic construction with a smooth, comfortable grip. Performance: adjustable load through water or sand filling to match different workouts.