present the weights of the adjustable dumbbell set. It is made of hard plastic, PE Shell, foam and cement. This material is safe and practical so it doesn't smell bad. Plastic dumbbells won't cause damage to the surface due to knocking. This is convertible for dual usage both in the form of Dumbbell and Barbell in your everyday fitness. You can change the weight you need from 1lbs to 44 lbs by adding or removing the dumbbell tablet. This convenient 2 in 1 design help you save your money and space. The barbell bar have a non-slip safe design, it can help you hold the pole tightly to prevent it from slipping out of your hands and hurting you. Adjustable Dumbbell Weight can be used indoor for personal fitness. Also, it can be used in Gym as Gym Fitness Dumbbell and Gym Fitness Barbell. You can easily use it in any place and it will be easy to storage. Moreover, this dumbbell set is a unique choice for regular exercise. : Made with premium quality material Non-skip protection design Easy to assemble and save space 2 in 1 design Can be used indoor for personal fitness Comes in different sizes Highly durable and usable for a long time Easy to store | Tanness Adjustable Weights Dumbbells Set of 2 for Weight Lifting Training in Black | Size: 20kg