FLYBIRD DS1 5 In 1 Adjustable Eco-Friendly Dumbbell SetRemovable Dumbbell Pieces: Meet the exercise needs of all types of people at all stages. Eco friendly & Durable Materials: High quality PE materials, which effectively prevent floor abrasion Comfortable textured dumbbell grip: effectively fits the hand and helps you to better control the dumbbell during exercise. Storage Space Only 0. 2: Comfortable exercise even at home without much space. Earfortless Assemble: You can use it right after unpacking.