This is a special dumbbell, you can easily carry it with you.Even if you want to go to the gym or office, this adjustable dumbbell makes your exercise extra value.This multifunctional dumbbell can exercise all parts of the body, including arms, abdomen, waist, buttocks, chest, and legs. Woman: 1KG: Reduce fat and get rid of thin arms with butterfly sleeves 2KG: Primary strength exercises, shoulder and back exercises 3KG: Squat with a certain fitness foundation 4KG: suitable for women's weight combination can be practiced to the whole body 5KG: suitable for women's aggravated exercises can train the whole body Men: 1KG: Practice for beginners 2KG: expand the chest, tighten muscles and beautify the lines 3KG: fat reduction and shaping combination 4KG: suitable for squats with a certain fitness foundation 5KG: suitable for men's weight combination can be practiced to the whole body Feature: The inside is electroplated metal, and the outside is protected by a soft rubber cover, which is environmentally friendly and has no odor. The appearance is made of TPR+PR washable material, so there is no need to worry after exercise. Engineering design, wear-resistant rubber handle on the outer layer, reducing sports injuries. The weight is adjustable, each weighs 2.2lb-11lb. The disassembly and assembly are heavier, simple and convenient; protect the floor, healthy soft glue, safer. Specification: Product name: adjustable dumbbell Material: TPR+PR+plated steel block Size: 30cm*9cm Exercise part: deltoid muscle / pectoralis major / biceps / abdominal muscles Adjustable weight: 1/2/3/4/5GK (single) Applicable people: adult men and women